diff --git a/resources/README.txt b/resources/README.txt
new file mode 100644
index 00000000..54e7ab27
--- /dev/null
+++ b/resources/README.txt
@@ -0,0 +1,3 @@
+RESOURCES
+
+Tools or assets important to developing sbol-canvas, but which should not be distributed with the final project.
diff --git a/resources/banner.xcf b/resources/banner.xcf
new file mode 100644
index 00000000..3e64dbea
Binary files /dev/null and b/resources/banner.xcf differ
diff --git a/resources/glyph-pngs/amino-acid.png b/resources/glyph-pngs/amino-acid.png
new file mode 100644
index 00000000..3a3e558d
Binary files /dev/null and b/resources/glyph-pngs/amino-acid.png differ
diff --git a/resources/glyph-pngs/aptamer.png b/resources/glyph-pngs/aptamer.png
new file mode 100644
index 00000000..5bd133dc
Binary files /dev/null and b/resources/glyph-pngs/aptamer.png differ
diff --git a/resources/glyph-pngs/arrowcds.png b/resources/glyph-pngs/arrowcds.png
new file mode 100644
index 00000000..5d4f3cfa
Binary files /dev/null and b/resources/glyph-pngs/arrowcds.png differ
diff --git a/resources/glyph-pngs/assembly-junction.png b/resources/glyph-pngs/assembly-junction.png
new file mode 100644
index 00000000..b833b9ec
Binary files /dev/null and b/resources/glyph-pngs/assembly-junction.png differ
diff --git a/resources/glyph-pngs/base.png b/resources/glyph-pngs/base.png
new file mode 100644
index 00000000..5b6e13e4
Binary files /dev/null and b/resources/glyph-pngs/base.png differ
diff --git a/resources/glyph-pngs/blank-backbone.png b/resources/glyph-pngs/blank-backbone.png
new file mode 100644
index 00000000..984942a0
Binary files /dev/null and b/resources/glyph-pngs/blank-backbone.png differ
diff --git a/resources/glyph-pngs/blunt-restriction-site.png b/resources/glyph-pngs/blunt-restriction-site.png
new file mode 100644
index 00000000..4ea5df93
Binary files /dev/null and b/resources/glyph-pngs/blunt-restriction-site.png differ
diff --git a/resources/glyph-pngs/cds.png b/resources/glyph-pngs/cds.png
new file mode 100644
index 00000000..90429a07
Binary files /dev/null and b/resources/glyph-pngs/cds.png differ
diff --git a/resources/glyph-pngs/cut.png b/resources/glyph-pngs/cut.png
new file mode 100644
index 00000000..6db07bff
Binary files /dev/null and b/resources/glyph-pngs/cut.png differ
diff --git a/resources/glyph-pngs/cut2.png b/resources/glyph-pngs/cut2.png
new file mode 100644
index 00000000..0a71713a
Binary files /dev/null and b/resources/glyph-pngs/cut2.png differ
diff --git a/resources/glyph-pngs/dna-stability-element.png b/resources/glyph-pngs/dna-stability-element.png
new file mode 100644
index 00000000..eaf9a363
Binary files /dev/null and b/resources/glyph-pngs/dna-stability-element.png differ
diff --git a/resources/glyph-pngs/engineered-region.png b/resources/glyph-pngs/engineered-region.png
new file mode 100644
index 00000000..d3295b54
Binary files /dev/null and b/resources/glyph-pngs/engineered-region.png differ
diff --git a/resources/glyph-pngs/five-prime-overhang.png b/resources/glyph-pngs/five-prime-overhang.png
new file mode 100644
index 00000000..d3eea2ec
Binary files /dev/null and b/resources/glyph-pngs/five-prime-overhang.png differ
diff --git a/resources/glyph-pngs/insulator.png b/resources/glyph-pngs/insulator.png
new file mode 100644
index 00000000..65f41287
Binary files /dev/null and b/resources/glyph-pngs/insulator.png differ
diff --git a/resources/glyph-pngs/junction.png b/resources/glyph-pngs/junction.png
new file mode 100644
index 00000000..0f81ef9c
Binary files /dev/null and b/resources/glyph-pngs/junction.png differ
diff --git a/resources/glyph-pngs/no-glyph-assigned.png b/resources/glyph-pngs/no-glyph-assigned.png
new file mode 100644
index 00000000..1f88568a
Binary files /dev/null and b/resources/glyph-pngs/no-glyph-assigned.png differ
diff --git a/resources/glyph-pngs/non-coding-rna-gene.png b/resources/glyph-pngs/non-coding-rna-gene.png
new file mode 100644
index 00000000..3a151791
Binary files /dev/null and b/resources/glyph-pngs/non-coding-rna-gene.png differ
diff --git a/resources/glyph-pngs/omitted-detail.png b/resources/glyph-pngs/omitted-detail.png
new file mode 100644
index 00000000..a4ac552d
Binary files /dev/null and b/resources/glyph-pngs/omitted-detail.png differ
diff --git a/resources/glyph-pngs/operator.png b/resources/glyph-pngs/operator.png
new file mode 100644
index 00000000..3bdfc87f
Binary files /dev/null and b/resources/glyph-pngs/operator.png differ
diff --git a/resources/glyph-pngs/origin-of-replication.png b/resources/glyph-pngs/origin-of-replication.png
new file mode 100644
index 00000000..9a090421
Binary files /dev/null and b/resources/glyph-pngs/origin-of-replication.png differ
diff --git a/resources/glyph-pngs/origin-of-transfer.png b/resources/glyph-pngs/origin-of-transfer.png
new file mode 100644
index 00000000..8b5f40c7
Binary files /dev/null and b/resources/glyph-pngs/origin-of-transfer.png differ
diff --git a/resources/glyph-pngs/poly-a-site.png b/resources/glyph-pngs/poly-a-site.png
new file mode 100644
index 00000000..db875825
Binary files /dev/null and b/resources/glyph-pngs/poly-a-site.png differ
diff --git a/resources/glyph-pngs/primer-binding-site.png b/resources/glyph-pngs/primer-binding-site.png
new file mode 100644
index 00000000..461f9aa1
Binary files /dev/null and b/resources/glyph-pngs/primer-binding-site.png differ
diff --git a/resources/glyph-pngs/promoter.png b/resources/glyph-pngs/promoter.png
new file mode 100644
index 00000000..2ccf62f3
Binary files /dev/null and b/resources/glyph-pngs/promoter.png differ
diff --git a/resources/glyph-pngs/protease-site.png b/resources/glyph-pngs/protease-site.png
new file mode 100644
index 00000000..10e3fbf6
Binary files /dev/null and b/resources/glyph-pngs/protease-site.png differ
diff --git a/resources/glyph-pngs/protein-stability-element.png b/resources/glyph-pngs/protein-stability-element.png
new file mode 100644
index 00000000..d8303169
Binary files /dev/null and b/resources/glyph-pngs/protein-stability-element.png differ
diff --git a/resources/glyph-pngs/restriction-enzyme-recognition-site.png b/resources/glyph-pngs/restriction-enzyme-recognition-site.png
new file mode 100644
index 00000000..0f23a282
Binary files /dev/null and b/resources/glyph-pngs/restriction-enzyme-recognition-site.png differ
diff --git a/resources/glyph-pngs/restriction-site-with-no-overhang.png b/resources/glyph-pngs/restriction-site-with-no-overhang.png
new file mode 100644
index 00000000..fcc0d0d0
Binary files /dev/null and b/resources/glyph-pngs/restriction-site-with-no-overhang.png differ
diff --git a/resources/glyph-pngs/ribonuclease-site.png b/resources/glyph-pngs/ribonuclease-site.png
new file mode 100644
index 00000000..3fe321c5
Binary files /dev/null and b/resources/glyph-pngs/ribonuclease-site.png differ
diff --git a/resources/glyph-pngs/rna-stability-element.png b/resources/glyph-pngs/rna-stability-element.png
new file mode 100644
index 00000000..1a8bf5ed
Binary files /dev/null and b/resources/glyph-pngs/rna-stability-element.png differ
diff --git a/resources/glyph-pngs/signature.png b/resources/glyph-pngs/signature.png
new file mode 100644
index 00000000..7fe30ee1
Binary files /dev/null and b/resources/glyph-pngs/signature.png differ
diff --git a/resources/glyph-pngs/specific-recombination-site.png b/resources/glyph-pngs/specific-recombination-site.png
new file mode 100644
index 00000000..fe36786f
Binary files /dev/null and b/resources/glyph-pngs/specific-recombination-site.png differ
diff --git a/resources/glyph-pngs/terminator.png b/resources/glyph-pngs/terminator.png
new file mode 100644
index 00000000..12e15ad8
Binary files /dev/null and b/resources/glyph-pngs/terminator.png differ
diff --git a/resources/glyph-pngs/three-prime-overhang.png b/resources/glyph-pngs/three-prime-overhang.png
new file mode 100644
index 00000000..d11cc286
Binary files /dev/null and b/resources/glyph-pngs/three-prime-overhang.png differ
diff --git a/resources/glyph-pngs/translational-start-site.png b/resources/glyph-pngs/translational-start-site.png
new file mode 100644
index 00000000..197dd370
Binary files /dev/null and b/resources/glyph-pngs/translational-start-site.png differ
diff --git a/resources/glyph-pngs/unspecified.png b/resources/glyph-pngs/unspecified.png
new file mode 100644
index 00000000..56a40ac3
Binary files /dev/null and b/resources/glyph-pngs/unspecified.png differ
diff --git a/resources/glyph-svgs/aptamer.svg b/resources/glyph-svgs/aptamer.svg
new file mode 100755
index 00000000..cdd8ee6f
--- /dev/null
+++ b/resources/glyph-svgs/aptamer.svg
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 14.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 43363)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Layer_1"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   viewBox="221.5 222.5 45 45"
+   enable-background="new 221.5 222.5 55 55"
+   xml:space="preserve"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="aptamer.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/aptamer/aptamer-A-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata8"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><defs
+     id="defs6" /><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1001"
+     inkscape:window-height="736"
+     id="namedview4"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="6.068262"
+     inkscape:cx="16.282598"
+     inkscape:cy="8.6659698"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="Layer_1" /><path
+     id="MGA_2_"
+     d="m 239.85444,267.5 v -11.5668 c 3.25316,-0.83762 5.65964,-3.78365 5.65964,-7.29791 0,-0.76823 -0.11621,-1.50849 -0.32901,-2.20653 l 6.84439,-3.95194 c 0.53125,0.28675 1.12967,0.46333 1.77637,0.46333 2.08426,0 3.7731,-1.68883 3.7731,-3.77309 0,-2.0835 -1.68884,-3.77309 -3.7731,-3.77309 -2.08501,0 -3.77309,1.68959 -3.77309,3.77309 0,0.034 0.009,0.0664 0.0106,0.0996 l -6.83609,3.94591 c -1.35756,-1.31304 -3.2026,-2.1235 -5.24082,-2.1235 -4.16625,0 -7.54619,3.37843 -7.54619,7.54618 0,3.51501 2.40648,6.46029 5.65964,7.2979 v 11.56683"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:1.50923753" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/cds-arrow.svg b/resources/glyph-svgs/cds-arrow.svg
new file mode 100755
index 00000000..c0325941
--- /dev/null
+++ b/resources/glyph-svgs/cds-arrow.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="cds-arrow.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cds/cds-specification-arrow.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="942"
+     inkscape:window-height="693"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="13.350176"
+     inkscape:cx="25"
+     inkscape:cy="24.576271"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="M 5.2562231,28.868803 28.707624,28.815837 28.867396,33.900582 39.743829,22.499998 28.867396,11.099413 28.813556,17.031616 5.2562231,16.925683 Z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:2.99544764;stroke-linecap:round;stroke-linejoin:round"
+     sodipodi:nodetypes="cccccccc" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/cds.svg b/resources/glyph-svgs/cds.svg
new file mode 100755
index 00000000..180778c6
--- /dev/null
+++ b/resources/glyph-svgs/cds.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="cds.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cds/cds-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="942"
+     inkscape:window-height="693"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="24.576271"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 5.2562231,33.900582 23.6111729,0 10.876433,-11.400584 -10.876433,-11.400585 -23.6111729,0 z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:2.99544764;stroke-linecap:round;stroke-linejoin:round"
+     sodipodi:nodetypes="cccccc" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/dna-stability-element.svg b/resources/glyph-svgs/dna-stability-element.svg
new file mode 100755
index 00000000..d8581781
--- /dev/null
+++ b/resources/glyph-svgs/dna-stability-element.svg
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="dna-stability-element.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cut/stem-top-specification-shield.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1053"
+     inkscape:window-height="748"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="6.675088"
+     inkscape:cx="21.257713"
+     inkscape:cy="12.578899"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="M 22.499997,43.478634 V 27.923122"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round"
+     sodipodi:nodetypes="cc" /><path
+     style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+     d="m 15.805033,11.413049 h 13.557872 v 11.909954 l -6.816388,5.01866 -6.741484,-5.243376 z"
+     id="rect4156"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cccccc" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/engineered-region.svg b/resources/glyph-svgs/engineered-region.svg
new file mode 100755
index 00000000..bc24284a
--- /dev/null
+++ b/resources/glyph-svgs/engineered-region.svg
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="engineered-region.svg"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="4.72"
+     inkscape:cx="15.729189"
+     inkscape:cy="13.377701"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle,polygon {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 2.4999973,23.499998 v 20 H 42.499997 v -20 z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/five-prime-overhang.svg b/resources/glyph-svgs/five-prime-overhang.svg
new file mode 100755
index 00000000..52720da6
--- /dev/null
+++ b/resources/glyph-svgs/five-prime-overhang.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="five-prime-overhang.svg"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1003"
+     inkscape:window-height="658"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="4.72"
+     inkscape:cx="25"
+     inkscape:cy="50"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 7.4999973,18.499997 29.9999997,0"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 22.499997,26.499997 15,0"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/five-prime-sticky-restriction-site.svg b/resources/glyph-svgs/five-prime-sticky-restriction-site.svg
new file mode 100755
index 00000000..36bdcedd
--- /dev/null
+++ b/resources/glyph-svgs/five-prime-sticky-restriction-site.svg
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999999 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="five-prime-sticky-restriction-site.svg"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="965"
+     inkscape:window-height="702"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="20.338983"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 7.5,9.499998 0,13 30,0 0,13"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/insulator.svg b/resources/glyph-svgs/insulator.svg
new file mode 100755
index 00000000..3ed9ef56
--- /dev/null
+++ b/resources/glyph-svgs/insulator.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="insulator.svg"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="6.675088"
+     inkscape:cx="16.595541"
+     inkscape:cy="20.399523"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 14.499997,36.499998 h 16 v -16 h -16 z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="M 7.4999973,43.499998 H 37.499997 v -30 H 7.4999973 Z"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/location-dna.svg b/resources/glyph-svgs/location-dna.svg
new file mode 100755
index 00000000..c193aa41
--- /dev/null
+++ b/resources/glyph-svgs/location-dna.svg
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="location-dna.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/stability-element/protein-stability-element-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1053"
+     inkscape:window-height="748"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="20.338983"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 22.499997,43.478634 v -16"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><circle
+     cx="22.499998"
+     cy="18.478638"
+     r="7"
+     id="circle10"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/location-protein.svg b/resources/glyph-svgs/location-protein.svg
new file mode 100755
index 00000000..c7156704
--- /dev/null
+++ b/resources/glyph-svgs/location-protein.svg
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="location-protein.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cut/stem-top-specification-loops.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1053"
+     inkscape:window-height="748"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="24.131249"
+     inkscape:cy="15.995228"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2"><inkscape:grid
+       type="xygrid"
+       id="grid5399" /></sodipodi:namedview><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+     d="m 21.683565,24.347974 c 8.864406,-1.922677 9.102925,7.881981 -0.15538,6.409716 9.140445,-2.515454 8.800654,8.057991 -0.08776,6.338974 9.06355,-2.471877 8.98889,7.812118 -0.07466,6.239105"
+     id="path5401"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cccc" /><circle
+     cx="22.499998"
+     cy="17.462193"
+     r="7"
+     id="circle10"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/location-rna.svg b/resources/glyph-svgs/location-rna.svg
new file mode 100755
index 00000000..19a853ca
--- /dev/null
+++ b/resources/glyph-svgs/location-rna.svg
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="location-rna.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cut/stem-top-specification-wavy.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1053"
+     inkscape:window-height="748"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="11.864407"
+     inkscape:window-x="15"
+     inkscape:window-y="13"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><circle
+     cx="22.499998"
+     cy="17.839096"
+     r="7"
+     id="circle10"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 22.433046,34.67155 c 4.327115,-4.802042 -4.168807,-4.698615 0,-8.867421"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+     sodipodi:nodetypes="cc" /><path
+     sodipodi:nodetypes="cc"
+     style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+     inkscape:connector-curvature="0"
+     id="path5363"
+     d="m 22.485815,43.484089 c 4.327115,-4.802042 -4.168806,-4.698614 0,-8.86742" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/ncrna.svg b/resources/glyph-svgs/ncrna.svg
new file mode 100755
index 00000000..b9b9d990
--- /dev/null
+++ b/resources/glyph-svgs/ncrna.svg
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="ncrna.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/non-coding-rna/ncrna-boxC-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300">
+  <metadata
+     id="metadata21">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs19" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1056"
+     inkscape:window-height="818"
+     id="namedview17"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="12.836708"
+     inkscape:cx="21.816898"
+     inkscape:cy="25.418947"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" />
+  <!-- Created with Method Draw - http://github.com/duopixel/Method-Draw/ -->
+  <g
+     id="g12"
+     transform="matrix(0.47148661,0,0,0.47148661,-1.6350431,18.442252)"
+     style="fill:none">
+    <title
+       id="title14">Layer 1</title>
+    <path
+       id="svg_6"
+       d="m 82.316714,53.499993 c -8.999994,-15.999994 -10,-12.500001 -15,-5.500001 -5,7 -6.25,7.249998 -11.000001,1e-6 -4.75,-7.249997 -7.249998,-6.749999 -11.749999,0 -4.500001,6.749999 -5.749999,8.250003 -11.500001,0.500001 -5.750002,-7.750002 -8.750005,-8.249989 -12.75,-0.25 l -0.125382,12.9365 62.010474,-0.165225 v -7.930822"
+       fill-opacity="null"
+       stroke-opacity="null"
+       inkscape:connector-curvature="0"
+       style="fill:none;stroke:#000000;stroke-width:3"
+       sodipodi:nodetypes="csssscccc" />
+  </g>
+</svg>
diff --git a/resources/glyph-svgs/nuclease-site.svg b/resources/glyph-svgs/nuclease-site.svg
new file mode 100755
index 00000000..82384044
--- /dev/null
+++ b/resources/glyph-svgs/nuclease-site.svg
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="nuclease-site.svg"><metadata
+     id="metadata16"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview14"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="2.36"
+     inkscape:cx="25"
+     inkscape:cy="50"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 22.499997,43.478634 v -25"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 14.499997,9.4786338 16,16.0000002"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 30.499997,9.4786338 -16,16.0000002"
+     id="path12"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/operator.svg b/resources/glyph-svgs/operator.svg
new file mode 100755
index 00000000..0ce83bc1
--- /dev/null
+++ b/resources/glyph-svgs/operator.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="operator.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/operator/operator-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1009"
+     inkscape:window-height="744"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="24.576271"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 12.499997,12.499997 0,20 20,0 0,-20"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round"
+     sodipodi:nodetypes="cccc" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/origin-of-replication.svg b/resources/glyph-svgs/origin-of-replication.svg
new file mode 100755
index 00000000..024c1bec
--- /dev/null
+++ b/resources/glyph-svgs/origin-of-replication.svg
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="origin-of-replication.svg"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="2.36"
+     inkscape:cx="25"
+     inkscape:cy="50"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><circle
+     cx="22.499998"
+     cy="22.499998"
+     r="12"
+     id="circle8"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/origin-of-transfer.svg b/resources/glyph-svgs/origin-of-transfer.svg
new file mode 100755
index 00000000..12ce558c
--- /dev/null
+++ b/resources/glyph-svgs/origin-of-transfer.svg
@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="origin-of-transfer.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/origin-of-transfer/origin-of-transfer-C-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1004"
+     inkscape:window-height="856"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="24.576271"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><marker
+       inkscape:stockid="TriangleOutS"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="TriangleOutS"
+       style="overflow:visible"
+       inkscape:isstock="true"><path
+         id="path4291"
+         d="M 5.77,0.0 L -2.88,5.0 L -2.88,-5.0 L 5.77,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.2)" /></marker><marker
+       inkscape:stockid="Arrow2Send"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="Arrow2Send"
+       style="overflow:visible;"
+       inkscape:isstock="true"><path
+         id="path4176"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round;stroke:#000000;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.9730900,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
+         transform="scale(0.3) rotate(180) translate(-2.3,0)" /></marker><marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="marker4489"
+       style="overflow:visible;"
+       inkscape:isstock="true"><path
+         id="path4491"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.2) rotate(180) translate(6,0)" /></marker><marker
+       inkscape:stockid="Arrow2Mend"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="Arrow2Mend"
+       style="overflow:visible;"
+       inkscape:isstock="true"><path
+         id="path4170"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round;stroke:#000000;stroke-opacity:1"
+         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.9730900,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
+         transform="scale(0.6) rotate(180) translate(0,0)" /></marker><marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="Arrow1Send"
+       style="overflow:visible;"
+       inkscape:isstock="true"><path
+         id="path4158"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         transform="scale(0.2) rotate(180) translate(6,0)" /></marker><marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="Arrow1Lend"
+       style="overflow:visible;"
+       inkscape:isstock="true"><path
+         id="path4146"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+         transform="scale(0.8) rotate(180) translate(12.5,0)" /></marker><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><circle
+     cx="21.05932"
+     cy="22.499998"
+     r="12"
+     id="circle8"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     style="opacity:1;fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:2.56858516;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker-end:url(#TriangleOutS)"
+     d="M 21.224205,22.75884 35.169697,8.8133502"
+     id="path4135"
+     inkscape:connector-curvature="0" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/polyA.svg b/resources/glyph-svgs/polyA.svg
new file mode 100755
index 00000000..f1900ba7
--- /dev/null
+++ b/resources/glyph-svgs/polyA.svg
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="polyA.svg"
+   inkscape:export-filename="polyA-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+   id="metadata12"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+   pagecolor="#ffffff"
+   bordercolor="#666666"
+   borderopacity="1"
+   objecttolerance="10"
+   gridtolerance="10"
+   guidetolerance="10"
+   inkscape:pageopacity="0"
+   inkscape:pageshadow="2"
+   inkscape:window-width="942"
+   inkscape:window-height="693"
+   id="namedview10"
+   showgrid="false"
+   units="in"
+   inkscape:zoom="9.44"
+   inkscape:cx="25"
+   inkscape:cy="24.576271"
+   inkscape:window-x="0"
+   inkscape:window-y="0"
+   inkscape:window-maximized="0"
+   inkscape:current-layer="svg2" /><defs
+   id="defs4"><style
+     type="text/css"
+     id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><text
+   xml:space="preserve"
+   style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;line-height:0%;font-family:Arial;-inkscape-font-specification:'Sans Bold';text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+   x="22.535488"
+   y="44.999996"
+   id="text4134"><tspan
+     sodipodi:role="line"
+     id="tspan4136"
+     x="22.535488"
+     y="44.999996"
+     style="font-size:16.15233421px;line-height:1.25">AAA</tspan></text>
+
+</svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/primer-binding-site.svg b/resources/glyph-svgs/primer-binding-site.svg
new file mode 100755
index 00000000..87f2f499
--- /dev/null
+++ b/resources/glyph-svgs/primer-binding-site.svg
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="primer-binding-site.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/primer-binding-site/primer-binding-site-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="916"
+     inkscape:window-height="792"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="6.675088"
+     inkscape:cx="8.3153725"
+     inkscape:cy="8.4849099"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 9.510842,41.282046 h 26 l -10,-7"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/promoter.svg b/resources/glyph-svgs/promoter.svg
new file mode 100755
index 00000000..8b150c73
--- /dev/null
+++ b/resources/glyph-svgs/promoter.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="promoter.svg"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="945"
+     inkscape:window-height="775"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="3.337544"
+     inkscape:cx="10.136719"
+     inkscape:cy="21.98046"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 29.000111,8.9786344 8.5,7.4999996 -8.5,7.3333"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 7.5001114,43.478634 v -27 H 36.500111"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/protease-site.svg b/resources/glyph-svgs/protease-site.svg
new file mode 100755
index 00000000..3195d84f
--- /dev/null
+++ b/resources/glyph-svgs/protease-site.svg
@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="protease-site.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cleavage-site/protease-site-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata16"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="955"
+     inkscape:window-height="780"
+     id="namedview14"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="23.034063"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style><style
+       id="style6-6"
+       type="text/css"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style><style
+       id="style6-3"
+       type="text/css"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style><style
+       id="style6-8"
+       type="text/css"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 14.499997,9.1359921 16,16.0000009"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 30.499997,9.1359921 -16,16.0000009"
+     id="path12"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><g
+     id="g5070"
+     transform="translate(-1.3563729,3.9728752)"><path
+       sodipodi:nodetypes="cccc"
+       inkscape:connector-curvature="0"
+       id="path5401"
+       d="m 21.683565,20.375099 c 8.864406,-1.922677 9.102925,7.881981 -0.15538,6.409716 9.140445,-2.515454 8.800654,8.057991 -0.08776,6.338974 9.06355,-2.471877 8.98889,7.812118 -0.07466,6.239105"
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" /><path
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       d="m 23.964625,14.178884 c 4.585361,0.768444 6.470146,8.057991 -2.418268,6.338974 9.06355,-2.471877 8.98889,7.812118 -0.07466,6.239105"
+       id="path4157"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="ccc"
+       inkscape:export-xdpi="300"
+       inkscape:export-ydpi="300" /></g></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/protein-stability-element.svg b/resources/glyph-svgs/protein-stability-element.svg
new file mode 100755
index 00000000..6a980fea
--- /dev/null
+++ b/resources/glyph-svgs/protein-stability-element.svg
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="protein-stability-element.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/stability-element/protein-stability-element-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1053"
+     inkscape:window-height="748"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="13.350176"
+     inkscape:cx="25"
+     inkscape:cy="20.338983"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style><style
+       id="style6-2"
+       type="text/css"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+     d="m 15.805033,10.541517 h 13.557872 v 11.909955 l -6.816388,5.01866 -6.741484,-5.243376 z"
+     id="rect4156"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cccccc" /><g
+     id="g4192"
+     transform="translate(0.81922316,7.0295283)"><path
+       sodipodi:nodetypes="cccc"
+       inkscape:connector-curvature="0"
+       id="path5401"
+       d="m 21.683565,20.375099 c 8.864406,-1.922677 9.102925,6.7584 -0.15538,5.286135 9.140445,-2.515454 8.800654,6.934411 -0.08776,5.215394 9.06355,-2.471877 8.98889,6.988159 -0.07466,5.415146"
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" /></g></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/ribonuclease-site.svg b/resources/glyph-svgs/ribonuclease-site.svg
new file mode 100755
index 00000000..6aac280a
--- /dev/null
+++ b/resources/glyph-svgs/ribonuclease-site.svg
@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="ribonuclease-site.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/cleavage-site/ribonuclease-site-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata16"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="955"
+     inkscape:window-height="780"
+     id="namedview14"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="9.44"
+     inkscape:cx="25"
+     inkscape:cy="23.197785"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style><style
+       id="style6-6"
+       type="text/css"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 14.499997,9.2404493 16,16.0000007"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 30.499997,9.2404493 -16,16.0000007"
+     id="path12"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><g
+     id="g4195"
+     transform="translate(0.22148135,4.3497788)"><path
+       sodipodi:nodetypes="cc"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       inkscape:connector-curvature="0"
+       id="path8-4"
+       d="m 22.433046,30.321771 c 4.327115,-4.802042 -4.168807,-4.698615 0,-8.867421" /><path
+       d="m 22.485815,39.13431 c 4.327115,-4.802042 -4.168806,-4.698614 0,-8.86742"
+       id="path5363"
+       inkscape:connector-curvature="0"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       sodipodi:nodetypes="cc" /><path
+       d="m 22.433046,30.321771 c 4.327115,-4.802042 -4.168807,-4.698615 0,-8.867421"
+       id="path4157"
+       inkscape:connector-curvature="0"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       sodipodi:nodetypes="cc" /><path
+       sodipodi:nodetypes="cc"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       inkscape:connector-curvature="0"
+       id="path4159"
+       d="m 22.591747,21.443634 c 4.327115,-4.802042 -4.168806,-4.698614 0,-8.86742" /></g></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/ribosome-entry-site.svg b/resources/glyph-svgs/ribosome-entry-site.svg
new file mode 100755
index 00000000..f4dcec36
--- /dev/null
+++ b/resources/glyph-svgs/ribosome-entry-site.svg
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="ribosome-entry-site.svg"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="2.36"
+     inkscape:cx="28.483051"
+     inkscape:cy="37.225552"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="M 9.4999973,43.499998 H 35.499997 v -5 c 0,-10 -6,-15 -13,-15 -7,0 -12.9999997,5 -12.9999997,15 z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/rna-stability-element.svg b/resources/glyph-svgs/rna-stability-element.svg
new file mode 100755
index 00000000..e25ae3cd
--- /dev/null
+++ b/resources/glyph-svgs/rna-stability-element.svg
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="rna-stability-element.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/stability-element/rna-stability-element-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1053"
+     inkscape:window-height="748"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="13.350176"
+     inkscape:cx="25"
+     inkscape:cy="20.338983"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style><style
+       id="style6-5"
+       type="text/css"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+     d="m 15.805033,11.112569 h 13.557872 v 11.909954 l -6.816388,5.01866 -6.741484,-5.243376 z"
+     id="rect4156"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cccccc" /><g
+     id="g4194"
+     transform="matrix(1.0312613,0,0,0.91965854,-0.41121068,7.6156768)"><path
+       sodipodi:nodetypes="cc"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       inkscape:connector-curvature="0"
+       id="path8-6"
+       d="m 22.433046,30.321771 c 4.327115,-4.802042 -4.168807,-4.698615 0,-8.867421" /><path
+       d="m 22.485815,39.13431 c 4.327115,-4.802042 -4.168806,-4.698614 0,-8.86742"
+       id="path5363"
+       inkscape:connector-curvature="0"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       sodipodi:nodetypes="cc" /><path
+       d="m 22.433046,30.321771 c 4.327115,-4.802042 -4.168807,-4.698615 0,-8.867421"
+       id="path4157"
+       inkscape:connector-curvature="0"
+       style="fill:none;stroke:#000000;stroke-width:2.99999952;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none"
+       sodipodi:nodetypes="cc" /></g></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/signature.svg b/resources/glyph-svgs/signature.svg
new file mode 100755
index 00000000..62561f88
--- /dev/null
+++ b/resources/glyph-svgs/signature.svg
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.92.4 (f8dce91, 2019-08-02)"
+   sodipodi:docname="signature.svg"><metadata
+     id="metadata18"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview16"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="2.36"
+     inkscape:cx="25"
+     inkscape:cy="50"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 2.4999973,41.624998 v -25 H 42.499997 v 25 z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 7.4999973,23.624998 9.9999997,10"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 7.4999973,33.624998 9.9999997,-10"
+     id="path12"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 21.499997,35.624998 h 16"
+     id="path14"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/specific-recombination-site.svg b/resources/glyph-svgs/specific-recombination-site.svg
new file mode 100755
index 00000000..6b59879a
--- /dev/null
+++ b/resources/glyph-svgs/specific-recombination-site.svg
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="specific-recombination-site.svg"
+   inkscape:export-filename="/Users/jakebeal/projects/SBOL/SBOLv-realizations/Glyphs/inverter/inverter-specification.png"
+   inkscape:export-xdpi="300"
+   inkscape:export-ydpi="300"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="922"
+     inkscape:window-height="720"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="13.350176"
+     inkscape:cx="25"
+     inkscape:cy="26.030279"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 12.50009,32.499997 20,-10 -20,-10 0,20 z"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/three-prime-overhang.svg b/resources/glyph-svgs/three-prime-overhang.svg
new file mode 100755
index 00000000..ce966d40
--- /dev/null
+++ b/resources/glyph-svgs/three-prime-overhang.svg
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="three-prime-overhang.svg"><metadata
+     id="metadata14"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview12"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="2.36"
+     inkscape:cx="25"
+     inkscape:cy="47.8125"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 7.4999973,18.499997 29.9999997,0"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /><path
+     d="m 22.499997,26.499997 -14.9999997,0"
+     id="path10"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file
diff --git a/resources/glyph-svgs/three-prime-sticky-restriction-site.svg b/resources/glyph-svgs/three-prime-sticky-restriction-site.svg
new file mode 100755
index 00000000..ee9bd183
--- /dev/null
+++ b/resources/glyph-svgs/three-prime-sticky-restriction-site.svg
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 44.999998 44.999998"
+   version="1.1"
+   xml:space="preserve"
+   x="0px"
+   y="0px"
+   width="0.5in"
+   height="0.5in"
+   id="svg2"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="three-prime-sticky-restriction-site.svg"><metadata
+     id="metadata12"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview10"
+     showgrid="false"
+     units="in"
+     inkscape:zoom="2.36"
+     inkscape:cx="25"
+     inkscape:cy="50"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2" /><defs
+     id="defs4"><style
+       type="text/css"
+       id="style6"><![CDATA[
+      path,circle {
+        stroke:#000000;
+        stroke-width: 3;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none
+      }]]></style></defs><path
+     d="m 37.499997,9.4999972 0,12.9999998 -29.9999997,0 0,13"
+     id="path8"
+     inkscape:connector-curvature="0"
+     style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:round" /></svg>
\ No newline at end of file