diff --git a/opencsp/app/sofast/test/test_spatial_processing.py b/opencsp/app/sofast/test/test_spatial_processing.py
index 7143b1a7b..87798f048 100644
--- a/opencsp/app/sofast/test/test_spatial_processing.py
+++ b/opencsp/app/sofast/test/test_spatial_processing.py
@@ -7,11 +7,9 @@
 import numpy as np
 from scipy.spatial.transform import Rotation
 
-from opencsp.app.sofast.lib.DisplayShape import DisplayShape as Display
-from opencsp.app.sofast.lib.MeasurementSofastFringe import (
-    MeasurementSofastFringe as Measurement,
-)
+from opencsp.app.sofast.lib.MeasurementSofastFringe import MeasurementSofastFringe
 import opencsp.app.sofast.lib.spatial_processing as sp
+from opencsp.app.sofast.lib.SpatialOrientation import SpatialOrientation
 from opencsp.common.lib.camera.Camera import Camera
 from opencsp.common.lib.geometry.Vxy import Vxy
 from opencsp.common.lib.geometry.Vxyz import Vxyz
@@ -31,7 +29,7 @@ def setUpClass(cls):
         cls.data_file_facet = os.path.join(base_dir, 'calculations_facet/data.h5')
         cls.data_file_measurement = os.path.join(base_dir, 'measurement_facet.h5')
 
-        cls.display = Display.load_from_hdf(cls.data_file_facet)
+        cls.orientation = SpatialOrientation.load_from_hdf(cls.data_file_facet)
         cls.camera = Camera.load_from_hdf(cls.data_file_facet)
 
     def test_t_from_distance(self):
@@ -42,14 +40,14 @@ def test_t_from_distance(self):
 
         # Load test data
         data = load_hdf5_datasets(datasets, self.data_file_facet)
-        measurement = Measurement.load_from_hdf(self.data_file_measurement)
+        measurement = MeasurementSofastFringe.load_from_hdf(self.data_file_measurement)
 
         # Perform calculation
         v_cam_optic_cam_exp = sp.t_from_distance(
             Vxy(data['v_mask_centroid_image']),
             measurement.optic_screen_dist,
             self.camera,
-            self.display.v_cam_screen_cam,
+            self.orientation.v_cam_screen_cam,
         ).data.squeeze()
 
         # Test
@@ -67,7 +65,7 @@ def test_r_from_position(self):
         # Perform calculation
         r_optic_cam_exp = (
             sp.r_from_position(
-                Vxyz(data['v_cam_optic_cam_exp']), self.display.v_cam_screen_cam
+                Vxyz(data['v_cam_optic_cam_exp']), self.orientation.v_cam_screen_cam
             )
             .inv()
             .as_rotvec()
@@ -115,11 +113,11 @@ def test_distance_error(self):
 
         # Load test data
         data = load_hdf5_datasets(datasets, self.data_file_facet)
-        measurement = Measurement.load_from_hdf(self.data_file_measurement)
+        measurement = MeasurementSofastFringe.load_from_hdf(self.data_file_measurement)
 
         # Perform calculation
         error_optic_screen_dist_2 = sp.distance_error(
-            self.display.v_cam_screen_cam,
+            self.orientation.v_cam_screen_cam,
             Vxyz(data['v_cam_optic_cam_refine_2']),
             measurement.optic_screen_dist,
         )
@@ -162,7 +160,7 @@ def test_refine_v_distance(self):
 
         # Load test data
         data = load_hdf5_datasets(datasets, self.data_file_facet)
-        measurement = Measurement.load_from_hdf(self.data_file_measurement)
+        measurement = MeasurementSofastFringe.load_from_hdf(self.data_file_measurement)
 
         # Perform calculation
         r_cam_optic = Rotation.from_rotvec(data['r_optic_cam_refine_1'])
@@ -170,7 +168,7 @@ def test_refine_v_distance(self):
         v_cam_optic_cam_refine_2 = sp.refine_v_distance(
             Vxyz(data['v_cam_optic_cam_refine_1']),
             measurement.optic_screen_dist,
-            self.display.v_cam_screen_cam,
+            self.orientation.v_cam_screen_cam,
             v_meas_pt_optic_cam,
         ).data.squeeze()
 
diff --git a/opencsp/common/lib/deflectometry/test/test_SlopeSolver.py b/opencsp/common/lib/deflectometry/test/test_SlopeSolver.py
index beb5e0ddb..7d6b422fd 100644
--- a/opencsp/common/lib/deflectometry/test/test_SlopeSolver.py
+++ b/opencsp/common/lib/deflectometry/test/test_SlopeSolver.py
@@ -7,10 +7,7 @@
 import numpy as np
 from scipy.spatial.transform import Rotation
 
-from opencsp.app.sofast.lib.DisplayShape import DisplayShape as Display
-from opencsp.app.sofast.lib.MeasurementSofastFringe import (
-    MeasurementSofastFringe as Measurement,
-)
+from opencsp.app.sofast.lib.MeasurementSofastFringe import MeasurementSofastFringe
 from opencsp.app.sofast.lib.SpatialOrientation import SpatialOrientation
 from opencsp.common.lib.deflectometry.SlopeSolver import SlopeSolver
 from opencsp.common.lib.deflectometry.Surface2DParabolic import Surface2DParabolic
@@ -46,13 +43,12 @@ def setUpClass(cls):
         ]
         # Load data
         data = load_hdf5_datasets(datasets, cls.data_file_facet)
-        display = Display.load_from_hdf(cls.data_file_facet)
-        measurement = Measurement.load_from_hdf(data_file_measurement)
+        measurement = MeasurementSofastFringe.load_from_hdf(data_file_measurement)
+        ori = SpatialOrientation.load_from_hdf(cls.data_file_facet)
 
         # Create spatial orientation object
         r_cam_optic = Rotation.from_rotvec(data['r_optic_cam_refine_1']).inv()
         v_cam_optic_cam = Vxyz(data['v_cam_optic_cam_refine_2'])
-        ori = SpatialOrientation(display.r_cam_screen, display.v_cam_screen_cam)
         ori.orient_optic_cam(r_cam_optic, v_cam_optic_cam)
 
         # Perform calculations