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MX_DES_Standard-minY-minZ.scad
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use <./libraries/scad-utils/morphology.scad> //for cheaper minwoski
use <./libraries/scad-utils/transformations.scad>
use <./libraries/scad-utils/shapes.scad>
use <./libraries/scad-utils/trajectory.scad>
use <./libraries/scad-utils/trajectory_path.scad>
use <./libraries/sweep.scad>
use <./libraries/skin.scad>
//use <z-butt.scad>
/*DES (Distorted Elliptical Saddle) Sculpted Profile for 6x3 and corne thumb
Version 2: Eliptical Rectangle
*/
keycap(
keyID = 1, //change profile refer to KeyParameters Struct
cutLen = 0, //Don't change. for chopped caps
Stem = true, //tusn on shell and stems
Dish = true, //turn on dish cut
Stab = 0,
visualizeDish = false, // turn on debug visual of Dish
crossSection = false, // center cut to check internal
homeDot = false, //turn on homedots
homeRing = false, //turn on homing rings
Legends = false
);
//#translate([0,38,13])cube([18-5.7, 18-5.7,1],center = true);
//Parameters
wallthickness = 1.2; // 1.5 for norm, 1.2 for cast master
topthickness = 1.6; // 2 for norm, 1.6 for cast master
stepsize = 60; //resolution of Trajectory
step = 0.5; //resolution of ellipes
fn = 60; //resolution of Rounded Rectangles: 60 for output
layers = 50; //resolution of vertical Sweep: 50 for output
dotRadius = 0.55; //home dot size; default 0.55
//---Stem param
Tol = 0.00;
stemRot = 0;
stemWid = 7.55;
stemLen = 5.55 ;
stemCrossHeight = 4;
extra_vertical = 0.6;
StemBrimDep = -3.4;
stemLayers = 50; //resolution of stem to cap top transition
heightDelta = -5.6;
keyParameters = //keyParameters[KeyID][ParameterID]
[
// BotWid, BotLen, TWDif, TLDif, keyh, WSft, LSft XSkew, YSkew, ZSkew, WEx, LEx, CapR0i, CapR0f, CapR1i, CapR1f, CapREx, StemEx
//Column high sculpt 3 row system
//0~5
[17.16, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4 8
// [17.16, 14.36, 6.5, 4.5, 10.0, 0, 0, 15, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4 8
[17.16, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[17.16, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
[17.16, 14.36, 6.5, 4.5, 8.75, 0, 0, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 deepdish
[17.16, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5 mod
[17.16, 14.36, 6.5, 4.5, 15.0, 0, -.5, 20, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R1 num
//1.25u 6~9
[21.86, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[21.86, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4 // neuron 3 deg
[21.86, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, -0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[21.86, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//1.5u 10~13
[26.66, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[26.66, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[26.66, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[26.66, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//1.75u 14~17
[31.40, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[31.40, 14.36, 6.5, 4.5,10.55, 0, 0, 9, -0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[31.40, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[31.40, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//2.0u 18~22
[36.26, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[36.26, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[36.26, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[36.26, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
[36.26, 14.36, 6.5, 4.5, 15, 0, -.5, 20, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R1
//2.25u 23~26
[40.96, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, -0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[40.96, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[40.96, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[40.96, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//2.50u 27~30
[45.66, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5 // neuron 2deg height to 10.5
[45.66, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[45.66, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[45.66, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//2.75u 31~34
[50.66, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[50.66, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[50.66, 14.36, 6.5, 4.5, 8.75, 0, .5, -4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[50.66, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//3.00u 34~37
[55.36, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, -0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
[55.36, 14.36, 6.5, 4.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[55.36, 14.36, 6.5, 4.5, 8.75, 0, .5, 4, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3 Home
[55.36, 14.36, 6.5, 4.5, 9.75, 0, 0, -13, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
//6.25u 39
[117.1, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, -0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
//7.00u 40
[131.4, 14.36, 6.5, 4.5, 11.5, 0, 0, -3, -0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R5
//num pad vert 2u 41
[17.16, 36.26, 6.5, 6.5,10.00, 0, 0, -5, 0, 0, 2, 2, 1, 6, 1, 3.5, 2, 2], //R4
[17.16, 36.26, 6.5, 6.5,10.55, 0, 0, 9, 0, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
//edge 43-46
[17.16, 14.36, 6.5, 4.5, 11.8, 0, 0, 9, 15, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R4
[17.16, 14.36, 6.5, 4.5, 10, 0, .5, 4, 15, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R3
[17.16, 14.36, 6.5, 4.5, 11, 0, 0, -13, 15, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R2
[17.16, 14.36, 6.5, 4.5, 15.3, 0, -.5, -20, 15, 0, 2, 2, 1, 5, 1, 3.5, 2, 2], //R1 num
];
dishParameters = //dishParameter[keyID][ParameteID]
[
//FFwd1 FFwd2 FPit1 FPit2 DshDep DshHDif FArcIn FArcFn FArcEx BFwd1 BFwd2 BPit1 BPit2 BArcIn BArcFn BArcEx
// low pro 3 row system
[ 6, 3, 18, -50, 5, 1.8, 8.8, 15, 2, 5, 4.4, 5, -55, 8.8, 15, 2], //R4
[ 5, 3.5, 10, -55, 5, 1.8, 8.5, 15, 2, 5, 4, 10, -55, 8.5, 15, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 8.8, 15, 2, 6, 4, 13, 30, 8.8, 16, 2], //R2
[ 4.8, 3.3, 18, -55, 5, 2.0, 8.5, 15, 2, 4.8, 3.3, 18, -55, 8.5, 15, 2], //R3 deep
[ 6, 3, -5, -50, 5, 1.8, 8.8, 15, 2, 6, 3.5, 13, -50, 8.8, 15, 2], //R5 mod
[ 6, 3, 13, 30, 5, 1.9, 8.9, 15, 2, 5, 4.4, 10, -50, 8.9, 16, 2], //R1
//1.25
[ 6, 3, -5, -50, 5, 1.8, 12.4, 18, 2, 6, 3.5, 13, -50, 12.4, 19, 2], //R5
[ 6, 3, 18, -50, 5, 1.8, 12.4, 21, 2, 5, 4.4, 5, -55, 12.4, 19, 2], //R4
[ 5, 3.5, 10, -55, 5, 1.8, 12.4, 18, 2, 5, 3.7, 10, -55, 12.4, 19, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 12.4, 18, 2, 6, 4, 13, 30, 12.4, 19, 2], //R2
//1.5
[ 6, 3, -5, -50, 5, 1.8, 15.6, 22, 2, 6, 3.5, 13, -50, 15.6, 22, 2], //R5
[ 6, 3, 18, -50, 5, 1.8, 15.6, 27.2, 2, 5, 4.4, 5, -55, 15.6, 22, 2], //R4
[ 5, 3.5, 10, -55, 5, 1.8, 15.5, 22, 2, 5, 3.7, 10, -55, 15.5, 22, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 15.7, 22, 2, 6, 4, 13, 30, 15.7, 23, 2], //R2
//1.75
[ 6, 3, -5, -50, 5, 1.8, 18.7, 25, 2, 6, 3.5, 13, -50, 18.7, 26, 2], //R5
[ 6, 3, 17, -50, 5, 1.8, 18.7, 32, 2, 5, 4.4, 5, -55, 18.7, 25, 2], //R4
[ 5, 3.5, 10, -55, 5, 1.8, 18.7, 27, 2, 5, 3.8, 10, -55, 18.7, 25, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 18.7, 25, 2, 6, 4, 13, 30, 18.7, 28, 2], //R2
//2
[ 6, 3, -5, -50, 5, 1.8, 22.3, 30, 2, 6, 3.5, 13, -50, 22.3, 31, 2], //R5
[ 6, 3, 15, -50, 5, 1.8, 22.3, 35, 2, 5, 4.4, 5, -55, 22.3, 31, 2], //R4
[ 6, 3, 17, -55, 5, 1.8, 22.3, 32.5, 2, 5, 3.7, 8, -55, 22.3, 31, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 22.3, 30, 2, 5, 4, 11.5, -55, 22.3, 33, 2], //R2
[ 6.4, 3.2, 13, 30, 5, 1.9, 23.1, 38, 2, 5, 4.4, 10, -50, 23.1, 34, 2], //R1
//2.25
[ 6, 3, -5, -50, 5, 1.8, 25.6, 30, 2, 6, 3.5, 13, -50, 25.6, 40, 2], //R5
[ 6, 3, 15, -50, 5, 1.8, 25.6, 41, 2, 5, 4.4, 5, -55, 25.6, 34, 2], //R4
[ 6, 3, 17, -55, 5, 1.8, 25.6, 32.5, 2, 5, 3.7, 8, -55, 21.9, 31, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 21.9, 30, 2, 5, 4, 11.5, -55, 21.9, 33, 2], //R2
//2.50
[ 6, 3, -5, -50, 5, 1.8, 29.0, 40, 2, 6, 3.5, 13, -50, 29.0, 43, 2], //R5
[ 6, 3, 15, -50, 5, 1.8, 21.9, 34, 2, 5, 4.4, 5, -55, 21.9, 31, 2], //R4
[ 6, 3, 17, -55, 5, 1.8, 21.9, 32.5, 2, 5, 3.7, 8, -55, 21.9, 31, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 21.9, 30, 2, 5, 4, 11.5, -55, 21.9, 33, 2], //R2
//2.75
[ 6, 3, -5, -50, 5, 1.8, 33.1, 38, 2, 6, 3.5, 13, -50, 33.1, 50, 2], //R5
[ 6, 3, 15, -50, 5, 1.8, 21.9, 34, 2, 5, 4.4, 5, -55, 21.9, 31, 2], //R4
[ 6, 3, 17, -55, 5, 1.8, 21.9, 32.5, 2, 5, 3.7, 8, -55, 21.9, 31, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 21.9, 30, 2, 5, 4, 11.5, -55, 21.9, 33, 2], //R2
//3
[ 6, 3, -5, -50, 5, 1.8, 35.85, 46, 2, 6, 3.5, 13, -50, 35.85, 55, 2], //R5
[ 6, 3, 15, -50, 5, 1.8, 21.9, 34, 2, 5, 4.4, 5, -55, 21.9, 31, 2], //R4
[ 6, 3, 17, -55, 5, 1.8, 21.9, 32.5, 2, 5, 3.7, 8, -55, 21.9, 31, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 21.9, 30, 2, 5, 4, 11.5, -55, 21.9, 33, 2], //R2
//6.25u
[ 6, 3, -5, -50, 5, 1.8, 79.1, 95, 2, 6, 3.5, 13, -50, 79.1, 127, 2], //R5
//7.00u
[ 6, 3, -5, -50, 5, 1.8, 89.7, 105, 2, 6, 3.5, 13, -50, 89.7, 143, 2], //R5
//2.00u vert
[ 13, 5.5, 5, -30, 4, 1.8, 8.5, 12, 1.5, 10, 8, 7, -10, 8.5, 12, 1.5], //R5
[ 6, 3, -5, -50, 5, 1.8, 79.1, 95, 2, 6, 3.5, 13, -50, 79.1, 127, 2], //R5
//edge
[ 6, 3, 18, -50, 5, 1.8, 8.8, 15, 2, 5, 4.4, 5, -55, 8.8, 15, 2], //R4
[ 5, 3.5, 10, -55, 5, 1.8, 8.5, 15, 2, 5, 4, 10, -55, 8.5, 15, 2], //R3
[ 6, 3, 10, -50, 5, 1.8, 8.8, 15, 2, 6, 4, 13, 30, 8.8, 16, 2], //R2
[ 6, 3, 13, 30, 5, 1.9, 8.9, 15, 2, 5, 4.4, 10, -50, 8.9, 16, 2], //R1
];
function FrontForward1(keyID) = dishParameters[keyID][0]; //
function FrontForward2(keyID) = dishParameters[keyID][1]; //
function FrontPitch1(keyID) = dishParameters[keyID][2]; //
function FrontPitch2(keyID) = dishParameters[keyID][3]; //
function DishDepth(keyID) = dishParameters[keyID][4]; //
function DishHeightDif(keyID) = dishParameters[keyID][5]; //
function FrontInitArc(keyID) = dishParameters[keyID][6];
function FrontFinArc(keyID) = dishParameters[keyID][7];
function FrontArcExpo(keyID) = dishParameters[keyID][8];
function BackForward1(keyID) = dishParameters[keyID][9]; //
function BackForward2(keyID) = dishParameters[keyID][10]; //
function BackPitch1(keyID) = dishParameters[keyID][11]; //
function BackPitch2(keyID) = dishParameters[keyID][12]; //
function BackInitArc(keyID) = dishParameters[keyID][13];
function BackFinArc(keyID) = dishParameters[keyID][14];
function BackArcExpo(keyID) = dishParameters[keyID][15];
function BottomWidth(keyID) = keyParameters[keyID][0]; //
function BottomLength(keyID) = keyParameters[keyID][1]; //
function TopWidthDiff(keyID) = keyParameters[keyID][2]; //
function TopLenDiff(keyID) = keyParameters[keyID][3]; //
function KeyHeight(keyID) = keyParameters[keyID][4] + heightDelta; //
function TopWidShift(keyID) = keyParameters[keyID][5];
function TopLenShift(keyID) = keyParameters[keyID][6];
function XAngleSkew(keyID) = keyParameters[keyID][7];
function YAngleSkew(keyID) = keyParameters[keyID][8];
function ZAngleSkew(keyID) = keyParameters[keyID][9];
function WidExponent(keyID) = keyParameters[keyID][10];
function LenExponent(keyID) = keyParameters[keyID][11];
function CapRound0i(keyID) = keyParameters[keyID][12];
function CapRound0f(keyID) = keyParameters[keyID][13];
function CapRound1i(keyID) = keyParameters[keyID][14];
function CapRound1f(keyID) = keyParameters[keyID][15];
function ChamExponent(keyID) = keyParameters[keyID][16];
function StemExponent(keyID) = keyParameters[keyID][17];
function FrontTrajectory(keyID) =
[
trajectory(forward = FrontForward1(keyID), pitch = FrontPitch1(keyID)), //more param available: yaw, roll, scale
trajectory(forward = FrontForward2(keyID), pitch = FrontPitch2(keyID)) //You can add more traj if you wish
];
function BackTrajectory (keyID) =
[
trajectory(forward = BackForward1(keyID), pitch = BackPitch1(keyID)),
trajectory(forward = BackForward2(keyID), pitch = BackPitch2(keyID)),
];
//------- function defining Dish Shapes
function ellipse(a, b, d = 0, rot1 = 0, rot2 = 360) = [for (t = [rot1:step:rot2]) [a*cos(t)+a, b*sin(t)*(1+d*cos(t))]]; //Centered at a apex to avoid inverted face
function DishShape (a,b,c,d) =
concat(
// [[c+a,b]],
ellipse(a, b, d = 0,rot1 = 90, rot2 = 270)
// [[c+a,-b]]
);
function oval_path(theta, phi, a, b, c, deform = 0) = [
a*cos(theta)*cos(phi), //x
c*sin(theta)*(1+deform*cos(theta)) , //
b*sin(phi),
];
path_trans2 = [for (t=[0:step:180]) translation(oval_path(t,0,10,15,2,0))*rotation([0,90,0])];
//--------------Function definng Cap
function CapTranslation(t, keyID) =
[
((1-t)/layers*TopWidShift(keyID)), //X shift
((1-t)/layers*TopLenShift(keyID)), //Y shift
(t/layers*KeyHeight(keyID)) //Z shift
];
function InnerTranslation(t, keyID) =
[
((1-t)/layers*TopWidShift(keyID)), //X shift
((1-t)/layers*TopLenShift(keyID)), //Y shift
(t/layers*(KeyHeight(keyID)-topthickness)) //Z shift
];
function CapRotation(t, keyID) =
[
((1-t)/layers*XAngleSkew(keyID)), //X shift
((1-t)/layers*YAngleSkew(keyID)), //Y shift
((1-t)/layers*ZAngleSkew(keyID)) //Z shift
];
function CapTransform(t, keyID) =
[
pow(t/layers, WidExponent(keyID))*(BottomWidth(keyID) -TopWidthDiff(keyID)) + (1-pow(t/layers, WidExponent(keyID)))*BottomWidth(keyID),
pow(t/layers, LenExponent(keyID))*(BottomLength(keyID)-TopLenDiff(keyID)) + (1-pow(t/layers, LenExponent(keyID)))*BottomLength(keyID)
];
function CapRoundness(t, keyID) =
[
pow(t/layers, ChamExponent(keyID))*(CapRound0f(keyID)) + (1-pow(t/layers, ChamExponent(keyID)))*CapRound0i(keyID),
pow(t/layers, ChamExponent(keyID))*(CapRound1f(keyID)) + (1-pow(t/layers, ChamExponent(keyID)))*CapRound1i(keyID)
];
function CapRadius(t, keyID) = pow(t/layers, ChamExponent(keyID))*ChamfFinRad(keyID) + (1-pow(t/layers, ChamExponent(keyID)))*ChamfInitRad(keyID);
function InnerTransform(t, keyID) =
[
pow(t/layers, WidExponent(keyID))*(BottomWidth(keyID) -TopWidthDiff(keyID)-wallthickness*2) + (1-pow(t/layers, WidExponent(keyID)))*(BottomWidth(keyID) -wallthickness*2),
pow(t/layers, LenExponent(keyID))*(BottomLength(keyID)-TopLenDiff(keyID) -wallthickness*2) + (1-pow(t/layers, LenExponent(keyID)))*(BottomLength(keyID)-wallthickness*2)
];
function StemTranslation(t, keyID) =
[
((1-t)/stemLayers*TopWidShift(keyID)), //X shift
((1-t)/stemLayers*TopLenShift(keyID)), //Y shift
stemCrossHeight+.1+StemBrimDep + (t/stemLayers*(KeyHeight(keyID)- topthickness - stemCrossHeight-.1 -StemBrimDep)) //Z shift
];
function StemRotation(t, keyID) =
[
((1-t)/stemLayers*XAngleSkew(keyID)), //X shift
((1-t)/stemLayers*YAngleSkew(keyID)), //Y shift
((1-t)/stemLayers*ZAngleSkew(keyID)) //Z shift
];
function StemTransform(t, keyID) =
[
pow(t/stemLayers, StemExponent(keyID))*(BottomWidth(keyID) -TopLenDiff(keyID)-wallthickness) + (1-pow(t/stemLayers, StemExponent(keyID)))*(stemWid - 2*slop),
pow(t/stemLayers, StemExponent(keyID))*(BottomLength(keyID)-TopLenDiff(keyID)-wallthickness) + (1-pow(t/stemLayers, StemExponent(keyID)))*(stemLen - 2*slop)
];
function StemRadius(t, keyID) = pow(t/stemLayers,3)*3 + (1-pow(t/stemLayers, 3))*1;
//Stem Exponent
///----- KEY Builder Module
module keycap(
keyID = 0,
cutLen = 0,
visualizeDish = false,
Dish = true,
Stem = false,
crossSection = true,
Legends = false,
homeDot = false,
homeRing = false,
Stab = 0
) {
//Set Parameters for dish shape
FrontPath = quantize_trajectories(FrontTrajectory(keyID), steps = stepsize, loop=false, start_position= $t*4);
BackPath = quantize_trajectories(BackTrajectory(keyID), steps = stepsize, loop=false, start_position= $t*4);
//Scaling initial and final dim tranformation by exponents
function FrontDishArc(t) = pow((t)/(len(FrontPath)),FrontArcExpo(keyID))*FrontFinArc(keyID) + (1-pow(t/(len(FrontPath)),FrontArcExpo(keyID)))*FrontInitArc(keyID);
function BackDishArc(t) = pow((t)/(len(FrontPath)),BackArcExpo(keyID))*BackFinArc(keyID) + (1-pow(t/(len(FrontPath)),BackArcExpo(keyID)))*BackInitArc(keyID);
FrontCurve = [ for(i=[0:len(FrontPath)-1]) transform(FrontPath[i], DishShape(DishDepth(keyID), FrontDishArc(i), 1, d = 0)) ];
BackCurve = [ for(i=[0:len(BackPath)-1]) transform(BackPath[i], DishShape(DishDepth(keyID), BackDishArc(i), 1, d = 0)) ];
//builds
difference(){
union(){
difference(){
skin([for (i=[0:layers-1]) transform(translation(CapTranslation(i, keyID)) * rotation(CapRotation(i, keyID)), elliptical_rectangle(CapTransform(i, keyID), b = CapRoundness(i,keyID),fn=fn))]); //outer shell
//Cut inner shell
if(Stem == true){
xScale = (BottomWidth(keyID) -wallthickness*2)/BottomWidth(keyID);
yScale = (BottomLength(keyID)-wallthickness*2)/BottomLength(keyID);
zScale = (KeyHeight(keyID)-DishHeightDif(keyID)-topthickness)/(KeyHeight(keyID)-DishHeightDif(keyID));
translate([0,0,-0.1])scale([xScale,yScale,zScale])keycap(keyID, crossSection = false);
}
}
if(Stem == true){
translate([0,0,StemBrimDep])rotate(stemRot)difference(){
cylinder(d =5.5,KeyHeight(keyID)-StemBrimDep, $fn= 32);
skin(StemCurve);
skin(StemCurve2);
}
// stabilizer for >=2u. MX spec for 2u is 23.8mm
if(BottomWidth(keyID) > 35) {
translate([23.8 / 2, 0, StemBrimDep])rotate(stemRot)difference(){
cylinder(d =5.5,KeyHeight(keyID)-StemBrimDep, $fn= 32);
skin(StemCurve);
skin(StemCurve2);
}
translate([-23.8 / 2, 0, StemBrimDep])rotate(stemRot)difference(){
cylinder(d =5.5,KeyHeight(keyID)-StemBrimDep, $fn= 32);
skin(StemCurve);
skin(StemCurve2);
}
}
// translate([0,0,-.001])skin([for (i=[0:stemLayers-1]) transform(translation(StemTranslation(i,keyID))*rotation(StemRotation(i, keyID)), rounded_rectangle_profile(StemTransform(i, keyID),fn=fn,r=StemRadius(i, keyID)))]); //Transition Support for taller profile
}
//cut for fonts and extra pattern for light?
}
//Cuts
//Fonts
if(Legends == true){
// #rotate([-XAngleSkew(keyID),YAngleSkew(keyID),ZAngleSkew(keyID)])
translate([0,0,KeyHeight(keyID)-5])linear_extrude(height =5)text( text = "A", font = "Calibri:style=Bold", size = 4, valign = "center", halign = "center" );
// #rotate([-XAngleSkew(keyID),YAngleSkew(keyID),ZAngleSkew(keyID)])translate([0,-3.5,0])linear_extrude(height = 0.5)text( text = "Me", font = "Constantia:style=Bold", size = 3, valign = "center", halign = "center" );
}
//Dish Shape
if(Dish == true){
if(visualizeDish == false){
translate([-TopWidShift(keyID),.00001-TopLenShift(keyID),KeyHeight(keyID)-DishHeightDif(keyID)])rotate([0,-YAngleSkew(keyID),0])rotate([0,-90+XAngleSkew(keyID),90-ZAngleSkew(keyID)])skin(FrontCurve);
translate([-TopWidShift(keyID),-TopLenShift(keyID),KeyHeight(keyID)-DishHeightDif(keyID)])rotate([0,-YAngleSkew(keyID),0])rotate([0,-90-XAngleSkew(keyID),270-ZAngleSkew(keyID)])skin(BackCurve);
} else {
#translate([-TopWidShift(keyID),.00001-TopLenShift(keyID),KeyHeight(keyID)-DishHeightDif(keyID)]) rotate([0,-YAngleSkew(keyID),0])rotate([0,-90+XAngleSkew(keyID),90-ZAngleSkew(keyID)])skin(FrontCurve);
#translate([-TopWidShift(keyID),-TopLenShift(keyID),KeyHeight(keyID)-DishHeightDif(keyID)])rotate([0,-YAngleSkew(keyID),0])rotate([0,-90-XAngleSkew(keyID),270-ZAngleSkew(keyID)])skin(BackCurve);
}
}
if(crossSection == true) {
translate([0,-15,-.1])cube([15,30,20]);
// translate([-15.1,-15,-.1])cube([15,30,20]);
}
}
//Homing dot
if(homeDot == true){
// center dot
// #translate([0,0,KeyHeight(keyID)-DishHeightDif(keyID)-0.1])sphere(r = dotRadius); // center dot */
// double bar dots
#rotate([-XAngleSkew(keyID),YAngleSkew(keyID),ZAngleSkew(keyID)])
translate([.75,-4.5,KeyHeight(keyID)-DishHeightDif(keyID)+0.5])
sphere(r = dotRadius, $fn=16);
#rotate([-XAngleSkew(keyID),YAngleSkew(keyID),ZAngleSkew(keyID)])
translate([-.75,-4.5,KeyHeight(keyID)-DishHeightDif(keyID)+0.5])
sphere(r = dotRadius, $fn=16);
//tri center dots
// #rotate([0,YAngleSkew(keyID),ZAngleSkew(keyID)])translate([0,0,KeyHeight(keyID)-DishHeightDif(keyID)-0.1]){
// rotate([0,0,0])translate([0,.75,0])sphere(r = dotRadius); // center dot
// rotate([0,0,120])translate([0,.75,0])sphere(r = dotRadius); // center dot
// rotate([0,0,240])translate([0,.75,0])sphere(r = dotRadius); // center dot
// }
}
if (homeRing == true) {
z = KeyHeight(keyID)-DishHeightDif(keyID) - 0.3;
#rotate([ - XAngleSkew(keyID) * 0.5, -YAngleSkew(keyID), ZAngleSkew(keyID)])
translate([0, 0, z])
for (i = [0:3]) {
translate([0, 0, i * 0.15])
rotate_extrude(convexity = 10, $fn = 100)
translate([i * 1.3, 0, 0])
circle(r = .3, $fn = 100);
}
}
}
//------------------stems
MXWid = 4.03/2+Tol; //horizontal lenght
MXLen = 4.03/2+Tol; //vertical length
MXWidT = 1.10/2+Tol; //horizontal thickness
MXLenT = 1.23/2+Tol; //vertical thickness
function stem_internal(sc=1) = sc*[
[MXLenT, MXLen],[MXLenT, MXWidT],[MXWid, MXWidT],
[MXWid, -MXWidT],[MXLenT, -MXWidT],[MXLenT, -MXLen],
[-MXLenT, -MXLen],[-MXLenT, -MXWidT],[-MXWid, -MXWidT],
[-MXWid,MXWidT],[-MXLenT, MXWidT],[-MXLenT, MXLen]
]; //2D stem cross with tolance offset and additonal transformation via jog
//trajectory();
function StemTrajectory() =
[ trajectory(forward = 5.25) ];
StemPath = quantize_trajectories(StemTrajectory(), steps = 1 , loop=false, start_position= $t*4);
StemCurve = [ for(i=[0:len(StemPath)-1]) transform(StemPath[i], stem_internal()) ];
function StemTrajectory2() =
[trajectory(forward = .5)];
StemPath2 = quantize_trajectories(StemTrajectory2(), steps = 10, loop=false, start_position= $t*4);
StemCurve2 = [for(i=[0:len(StemPath2)-1]) transform(StemPath2[i]*scaling([(1.1-.1*i/(len(StemPath2)-1)),(1.1-.1*i/(len(StemPath2)-1)),1]), stem_internal())];
module choc_stem() {
translate([5.7/2,0,-3.4/2+2])difference(){
cube([1.25,3, 3.4], center= true);
translate([3.9,0,0])cylinder(d=7,3.4,center = true);
translate([-3.9,0,0])cylinder(d=7,3.4,center = true);
}
translate([-5.7/2,0,-3.4/2+2])difference(){
cube([1.25,3, 3.4], center= true);
translate([3.9,0,0])cylinder(d=7,3.4,center = true);
translate([-3.9,0,0])cylinder(d=7,3.4,center = true);
}
}
/// ----- helper functions
function rounded_rectangle_profile(size=[1,1],r=1,fn=32) = [
for (index = [0:fn-1])
let(a = index/fn*360)
r * [cos(a), sin(a)]
+ sign_x(index, fn) * [size[0]/2-r,0]
+ sign_y(index, fn) * [0,size[1]/2-r]
];
function elliptical_rectangle(a = [1,1], b =[1,1], fn=32) = [
for (index = [0:fn-1]) // section right
let(theta1 = -atan(a[1]/b[1])+ 2*atan(a[1]/b[1])*index/fn)
[b[1]*cos(theta1), a[1]*sin(theta1)]
+ [a[0]*cos(atan(b[0]/a[0])) , 0]
- [b[1]*cos(atan(a[1]/b[1])) , 0],
for(index = [0:fn-1]) // section Top
let(theta2 = atan(b[0]/a[0]) + (180 -2*atan(b[0]/a[0]))*index/fn)
[a[0]*cos(theta2), b[0]*sin(theta2)]
- [0, b[0]*sin(atan(b[0]/a[0]))]
+ [0, a[1]*sin(atan(a[1]/b[1]))],
for(index = [0:fn-1]) // section left
let(theta2 = -atan(a[1]/b[1])+180+ 2*atan(a[1]/b[1])*index/fn)
[b[1]*cos(theta2), a[1]*sin(theta2)]
- [a[0]*cos(atan(b[0]/a[0])) , 0]
+ [b[1]*cos(atan(a[1]/b[1])) , 0],
for(index = [0:fn-1]) // section Top
let(theta2 = atan(b[0]/a[0]) + 180 + (180 -2*atan(b[0]/a[0]))*index/fn)
[a[0]*cos(theta2), b[0]*sin(theta2)]
+ [0, b[0]*sin(atan(b[0]/a[0]))]
- [0, a[1]*sin(atan(a[1]/b[1]))]
]/2;
function sign_x(i,n) =
i < n/4 || i > n-n/4 ? 1 :
i > n/4 && i < n-n/4 ? -1 :
0;
function sign_y(i,n) =
i > 0 && i < n/2 ? 1 :
i > n/2 ? -1 :
0;
//#square([18.16, 18.16], center = true);
//#square([41.3, 19.05], center = true);
//scale(1.03)difference(){// assume 1% from infill and 2% for easy removal
//translate([0,0,13/2+.1])cube([21,21,13], center = true);
//
// projection()
// translate([0,28,0])rotate([0,-90,0]){
//translate([0,0,0])mx_master_base(xu = 7, yu = 1 );