use //for cheaper minwoski use use use use use use use //TODOs //add shell towards bottom to make it rounder //add o-ring portion //add variable radius for outer fillet //Fanning? for thumbs //MX stem //enum Choc = 0; MX = 1; Null =2; // override Z-butt param lp_key = [ // "base_sx", 18.5, // "base_sy", 18.5, "base_sx", 17.65, "base_sy", 16.5, "cavity_sx", 16.1, "cavity_sy", 14.9, "cavity_sz", 1.6, "cavity_ch_xy", 1.6, "indent_inset", 1.5 ]; /*Tester */ //translate([0,0,0])lp_master_base(xu = 2, yu = 1 ); translate([0, 0, -.05])rotate([0,0,0])mirror([0,1,0]){ // keycap(keyID = 6, cutLen = 0, Stem = Choc, Dish = false, SecondaryDish = false, visualizeDish = false, crossSection = false, homeDot = false, Legends = false); } translate([0, -8, -.05])rotate([0,0,0])mirror([0,0,0]){ keycap(keyID = 6, cutLen = 0, Stem = Choc, Dish = false, SecondaryDish = false, visualizeDish = false, crossSection = false, homeDot = false, Legends = false); } // translate([14, 14, 0])rotate([0,0,90]) keycap(keyID = 0, cutLen = 0, Stem =true, Dish = true, SecondaryDish = false,Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false); // translate([0, 14, 0])rotate([0,0,90]) keycap(keyID = 0, cutLen = 0, Stem =true, Dish = true, SecondaryDish = false,Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false); // translate([14, 0, 0])rotate([0,0,90]) keycap(keyID = 0, cutLen = 0, Stem =true, Dish = true, SecondaryDish = false,Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false); //translate([-18, 0, 10])rotate([0,0,90])mirror([0,0,0])keycap(keyID = 2, cutLen = 0, Stem =true, Dish = false, SecondaryDish = false,Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false); //#translate([0,0,0])cube([14, 14, 2], center = true); // internal check //#translate([1,0,0])cube([12, 14, 4], center = true); // internal check //#translate([2,0,0])cube([11, 14, 4], center = true); // internal check //#translate([0,0,5])cube([19.05, 19.05, 10], center = true); // internal check //#translate([0,0,0])cube([17.5, 16.5, 10], center = true); // internal check ChocCut = 0; thumbStem = true; thumbDish = true; thumbVis = false; thumbSec = false; //-Parameters wallthickness = 1.1; // 1.75 for mx size, 1.1 topthickness = 2.5; //2 for phat 3 for chicago stepsize = 60; //resolution of Trajectory step =2; //resolution of ellipes fn = 16; //resolution of Rounded Rectangles: 60 for output layers = 20; //resolution of vertical Sweep: 50 for output angularSteps = 20; //---Stem param //injection param draftAngle = 0; //degree note:Stem Only Tol = 0.10; //stem tolarance stemRot = 0; stemRad = 5.55; // stem outer radius stemLen = 5.55 ; stemCrossHeight = 4; extra_vertical = 0.6; StemBrimDep = 0.25; stemLayers = 50; //resolution of stem to cap top transition //TODO: Add wall thickness transition? keyParameters = //keyParameters[KeyID][ParameterID] [ // BotWid, BotLen, TWDif, TLDif, keyh, WSft, LSft XSkew, YSkew, ZSkew,/*|*/ WEx, LEx, CapR0i, CapR0f, CapR1i, CapR1f, CapREx, StemEx, chop shift //Column 0 //set R2 14x14 choc trantisiton [12.90, 12.90, 3.0, 3.0, 2.5, 0.0, 0.0, 0.0, -0, -0,/*|*/ 2, 2, 1, 3, 1, 3, 2, 2, 0], //R2 Top surface [12.40, 12.40, 5.0, 8.0,-0.75, 0.0, 0.0, 0.0, -0, -0,/*|*/ 1, 1, 2, 3, 2, 3, 2, 2, 0], //R2 Bottom Choc surface [12.40, 12.40, 5.0, 8.0,-0.75, 0.0, 0.0, 0.0, -0, -0,/*|*/ 1, 1, 2, 3, 2, 3, 2, 2, 0], //R2 Bottom MX surface //MX chop [12.40, 10.40, 3.0, 3.0, 2.5, 0.0, 0.0, 0.0, -0, -0,/*|*/ 2, 2, 2, 3, 2, 3, 2, 2, -1], //R3 Chop Top surface [12.40, 10.40, 5.0, 6.0,-0.75, 0.0, -1.0, 0.0, -0, -0,/*|*/ .5, 1.2, 2, 1, 2, 1, 2, 2, -1], //R3 Chop Bottom surface [12.40, 10.40, 12.40-5.5, 10.40-5.5,-0.5, 0.0, -1.0, 0.0, -0, -0,/*|*/ 1, 1, 2, 5.5, 2, 5.5, 2, 2, -1], //R3 MX Bottom surface //Choc Chop [12.40, 9.40, 3.0, 3.0, 2.5, 0.0, 0.0, 0.0, -0, -0,/*|*/ 2, 2, 2, 3, 2, 3, 2, 2, -2], //R3 Chop Top surface [12.40, 9.40, 5.0, 6.0,-0.75, 0.0, -2.0, 0.0, -0, -0,/*|*/ 2, 2, 2, 1, 2, 1, 2, 2, -2], //R3 Chop Bottom surface [12.40, 9.40, 12.40-5.5, 10.40-5.5,-0.5, 0.0, -1.0, 0.0, -0, -0,/*|*/ 1, 1, 2, 5.5, 2, 5.5, 2, 2, -1], //R3 MX Bottom surface [17.20, 16.00, 5.6, 5.0, 4.6, 0, .0, 0, -0, -0, 2, 2.5, .10, 3, .10, 3, 2, 2, 0], //R3 bottom //Thumb [17.20, 16.00, 4.25, 3.25, 5.0, -.5, 0.0, -3, -3, -0, 2, 2, .10, 2, .10, 2, 2, 2], //Thumb 1 [15.65, 26.4, 5.5, 3.25, 4.9, -.5, 0.0, -3, -2, -2, 2, 2, .3, 2, .3, 2.5, 2, 2], //Thumb 1.5 [15.65, 35.8, 4.25, 3.25, 4.9, -.25, 0.0, -2.5, -4, -2, 2, 3, .3, 2, .3, 2.5, 2, 2], //Thumb 2.0 //1.25 5 ]; dishParameters = //dishParameter[keyID][ParameterID] [ //FFwd1 FFwd2 FPit1 FPit2 DshDep DshHDif FArcIn FArcFn FArcEx BFwd1 BFwd2 BPit1 BPit2 BArcIn BArcFn BArcEx FTani FTanf BTani BTanf TanEX PhiInit PhiFin phiEX //Column 0 [ 4, 4.5, 3, -50, 7, 1.7, 11, 17, 2, /*|*/ 4.5, 4, 2, -35, 11, 15, 2, 2, 3, 2, 3, 2, 203, 198, 2], //full [ 4.5, 4, 5, -40,7,1.7,11,15,2,4.5,4,5,-40,11,15,2,4,5,4,5,2, 200, 210,2], //Chicago Steno R3 flat [ 4.5, 4, 5, -40, 7, 1.7, 11, 15, 2, 4.5, 4, 5, -40, 11, 15, 2, 4, 5, 4, 5, 2, 200, 210,2], //Chicago Steno R3 flat [3.5, 4.5, 3, -30, 7, 1.7, 11, 17, 2, /*|*/ 3., 3, 2.2, -60, 11, 15, 2, 2, 3, 2, 3, 2, 203, 194, 2], //Chop [ 4.5,4,5,-40,7,1.7,11,15,2,4.5,4,5,-40,11,15,2,4,5,4,5,2, 200, 210,2], // [ 4.5,4,5,-40,7,1.7,11,15,2,4.5,4,5,-40,11,15,2,4,5,4,5,2, 200, 210,2], // [ 4, 5.5, 6, -60, 7, 1.7, 11, 17, 2, /*|*/ 2.5, 2, -6, -180, 11, 17, 2, 2, 3, 2, 3, 2, 203, 194, 2], //Chop [ 4.5,4,5,-40,7,1.7,11,15,2,4.5,4,5,-40,11,15,2,4,5,4,5,2, 200, 210,2], // [ 4.5,4,5,-40,7,1.7,11,15,2,4.5,4,5,-40,11,15,2,4,5,4,5,2, 200, 210,2], // //Chicago Steno R3 flat [ 5, 5.5, 0, -40, 7, 1.7, 16, 18, 2, 5.5, 3.5, 5, -50, 16, 18, 2, 5, 3.75, 2, 3.75, 2, 199, 210], //T1 [ 10, 4.5, 0, -40, 7, 1.7, 16, 15, 2, 10, 3.5, 5, -50, 16, 18, 2, 3, 3.75, .75, 3.75, 2, 200, 210], //1.5u [ 14.5, 4.5, 4, -40, 7, 1.7, 16, 18, 2, 14.5, 4.5, 2, -35, 16, 23, 2, 3, 3.75, .75, 3.75, 2, 200, 210], //2.0u ]; SecondaryDishParam = [ [ 6, 3.5, 7, -50, 3, 2, 8, 8, 2, 5, 5, 5, 15, 10, 20, 2], //Chicago Steno R2/R4 [ 6, 3.5, 7, -50, 3, 2.5, 8, 20, 3, 2, 4.2, 8, 0, 8, 8, 3], //Chicago Steno R3 flat [ 6, 3.5, 7, -50, 3, 2.5, 8, 20, 3, 2, 4.2, 8, 0, 8, 8, 3], //Chicago Steno R3 chord [ 6, 3.5, 7, -50, 3, 2, 8, 8, 2, 5, 5, 5, 15, 10, 20, 2], //Levee Steno R2/R4 [ 6, 3.5, 7, -50, 5, 1.0, 16, 23, 2, 6, 3.5, 7, -50, 16, 23, 2], //Levee Steno R2/R4 [ 6, 3.5, 7, -50, 5, 1.0, 16, 23, 2, 6, 3.5, 7, -50, 16, 23, 2], //Levee Steno R2/R4 [ 6, 3.5, 7, -50, 5, 1.0, 16, 23, 2, 6, 3.5, 7, -50, 16, 23, 2], //Levee Steno R2/R4 [ 6, 3.5, 7, -50, 5, 1.0, 16, 23, 2, 6, 3.5, 7, -50, 16, 23, 2], //Levee Steno R2/R4 [ 6, 3.5, 7, -50, 5, 1.0, 16, 23, 2, 6, 3.5, 7, -50, 16, 23, 2], //Levee Steno R2/R4 ]; 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]; // 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 ChopShift(keyID) = keyParameters[keyID][18]; 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 ForwardTanInit(keyID)= dishParameters[keyID][16]; function ForwardTanFin(keyID) = dishParameters[keyID][17]; function BackTanInit(keyID) = dishParameters[keyID][18]; function BackTanFin(keyID) = dishParameters[keyID][19]; function TanArcExpo(keyID) = dishParameters[keyID][20]; function TransitionAngleInit(keyID) = dishParameters[keyID][21]; function TransitionAngleFin(keyID) = dishParameters[keyID][22]; function TransitionAngleExpo(keyID) = dishParameters[keyID][23]; function SFrontForward1(keyID) = SecondaryDishParam[keyID][0]; // function SFrontForward2(keyID) = SecondaryDishParam[keyID][1]; // function SFrontPitch1(keyID) = SecondaryDishParam[keyID][2]; // function SFrontPitch2(keyID) = SecondaryDishParam[keyID][3]; // function SDishDepth(keyID) = SecondaryDishParam[keyID][4]; // function SDishHeightDif(keyID) = SecondaryDishParam[keyID][5]; // function SFrontInitArc(keyID) = SecondaryDishParam[keyID][6]; function SFrontFinArc(keyID) = SecondaryDishParam[keyID][7]; function SFrontArcExpo(keyID) = SecondaryDishParam[keyID][8]; function SBackForward1(keyID) = SecondaryDishParam[keyID][9]; // function SBackForward2(keyID) = SecondaryDishParam[keyID][10]; // function SBackPitch1(keyID) = SecondaryDishParam[keyID][11]; // function SBackPitch2(keyID) = SecondaryDishParam[keyID][12]; // function SBackInitArc(keyID) = SecondaryDishParam[keyID][13]; function SBackFinArc(keyID) = SecondaryDishParam[keyID][14]; function SBackArcExpo(keyID) = SecondaryDishParam[keyID][15]; 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(backward = BackForward1(keyID), pitch = -BackPitch1(keyID)), trajectory(backward = BackForward2(keyID), pitch = -BackPitch2(keyID)), ]; function SFrontTrajectory(keyID) = [ trajectory(forward = SFrontForward1(keyID), pitch = SFrontPitch1(keyID)), //more param available: yaw, roll, scale trajectory(forward = SFrontForward2(keyID), pitch = SFrontPitch2(keyID)), //You can add more traj if you wish ]; function SBackTrajectory (keyID) = [ trajectory(forward = SBackForward1(keyID), pitch = SBackPitch1(keyID)), trajectory(forward = SBackForward2(keyID), pitch = SBackPitch2(keyID)), trajectory(forward = 4, pitch = -15), trajectory(forward = 6, pitch = -5), ]; //------- function defining Dish Shapes, //helper function function flip (singArry) = [for(i = [len(singArry)-1:-1:0]) singArry[i]]; function mirrorX (singArry) = [for(i = [len(singArry)-1:-1:0]) [-singArry[i][0], singArry[i][1]]]; function mirrorY (singArry) = [for(i = [len(singArry)-1:-1:0]) [singArry[i][0], -singArry[i][1]]]; //function () function Fade (Arry1, Arry2, t, steps, pows) =len(Arry1)==len(Arry2) ? [for(i = [0:len(Arry1)-1]) (1-pow(t/steps, pows))*Arry1[i]+pow(t/steps, pows)*Arry2[i]]: [[0,0]]; function Mix (a, b, t, steps, pows)= (1-pow(t/steps, pows))*a+pow(t/steps, pows)*b; function smoothStart (init, fin, t, steps, power) = (1-pow(t/steps,power))*init + pow(t/steps,power)*fin ; function smoothStop (init, fin, t, steps, power) = (fin-init)*(1-pow(1-t/steps,power))+init; function ellipse(a, b, d = 0, rot1 = 0, rot2 = 360) = [for (i =[0:angularSteps]) let(t = smoothStart(rot1,rot2,i,angularSteps,1)) [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 DishShape2 (a,b, phi = 200, theta, r) = concat( // [[c+a,b]], mirrorY([[a,b*sin(phi)-r*sin(theta)*2]]), //bounday vertex to clear ends mirrorY([for (t = [step:step*2:theta])let( sig = atan(a*cos(phi)/-b*sin(phi))) [ r*cos(-atan(-a*cos(phi)/b*sin(phi))-t) +a*cos(phi) -r*cos(sig) +a, r*sin(-atan(-a*cos(phi)/b*sin(phi))-t) +b*sin(phi) +r*sin(sig)] ]), (mirrorY(ellipse(a, b, d = 0,rot1 = 180, rot2 = phi))), ellipse(a, b, d = 0,rot1 = 180, rot2 = phi), [for (t = [step:step*2:theta])let( sig = atan(a*cos(phi)/-b*sin(phi))) [ r*cos(-atan(-a*cos(phi)/b*sin(phi))-t) +a*cos(phi) -r*cos(sig) +a, r*sin(-atan(-a*cos(phi)/b*sin(phi))-t) +b*sin(phi) +r*sin(sig)] ], [[a,b*sin(phi)-r*sin(theta)*2]] //bounday vertex to clear ends ); 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)+ChopShift(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) -TopLenDiff(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 + (t/stemLayers*(KeyHeight(keyID)- topthickness - stemCrossHeight-.1)) //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*2) + (1-pow(t/stemLayers, StemExponent(keyID)))*(stemWid - 2*slop), // pow(t/stemLayers, StemExponent(keyID))*(BottomLength(keyID)-TopLenDiff(keyID)-wallthickness*2) + (1-pow(t/stemLayers, StemExponent(keyID)))*(stemLen - 2*slop) stemWid,stemLen ]; function StemRadius(t, keyID) = pow(t/stemLayers,3)*3 + (1-pow(t/stemLayers, 3))*1; //Stem Exponent //DishShape2 vars function DishTransition (t, keyID) = pow(t/stepsize,TransitionAngleExpo(keyID) )*TransitionAngleFin(keyID) + (1-pow(t/stepsize, TanArcExpo(keyID) ))*TransitionAngleInit(keyID); function FTanRadius (t, keyID) = pow(t/stepsize,TanArcExpo(keyID) )*ForwardTanInit(keyID) + (1-pow(t/stepsize, TanArcExpo(keyID) ))*ForwardTanFin(keyID); function BTanRadius (t, keyID) = pow(t/stepsize,TanArcExpo(keyID) )*BackTanInit(keyID) + (1-pow(t/stepsize, TanArcExpo(keyID) ))*BackTanFin(keyID); function TanTransition (t, keyID) = pow(t/stepsize,TanArcExpo(keyID) )*TransitionAngleInit(keyID) + (1-pow(t/stepsize, TanArcExpo(keyID) ))*TransitionAngleFin(keyID); ///----- KEY Builder Module module keycap(keyID = 0, cutLen = 0, visualizeDish = false, crossSection = false, Dish = true, SecondaryDish = false, Stem = false, homeDot = false, Stab = 0, Legends = false) { //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], DishShape2( a= DishDepth(keyID), b= FrontDishArc(i), phi = DishTransition(i,keyID) , theta= 60 , r = FTanRadius(i, keyID))) ]; BackCurve = [ for(i=[0:len(BackPath)-1]) transform(BackPath[i], DishShape2(DishDepth(keyID), BackDishArc(i), phi = DishTransition(i,keyID), theta= 60 , r = BTanRadius(i, keyID))) ]; //Secondary Dish SFrontPath = quantize_trajectories(SFrontTrajectory(keyID), steps = stepsize, loop=false, start_position= $t*4); SBackPath = quantize_trajectories(SBackTrajectory(keyID), steps = stepsize, loop=false, start_position= $t*4); function SFrontDishArc(t) = pow((t)/(len(SFrontPath)),SFrontArcExpo(keyID))*SFrontFinArc(keyID) + (1-pow(t/(len(SFrontPath)),SFrontArcExpo(keyID)))*SFrontInitArc(keyID); function SBackDishArc(t) = pow((t)/(len(SBackPath)),SBackArcExpo(keyID))*SBackFinArc(keyID) + (1-pow(t/(len(SFrontPath)),SBackArcExpo(keyID)))*SBackInitArc(keyID); SFrontCurve = [ for(i=[0:len(SFrontPath)-1]) transform(SFrontPath[i], DishShape(SDishDepth(keyID), SFrontDishArc(i), 1, d = 0)) ]; SBackCurve = [ for(i=[0:len(SBackPath)-1]) transform(SBackPath[i], DishShape(SDishDepth(keyID), SBackDishArc(i), 1, d = 0)) ]; //builds difference(){ union(){ // difference(){ skin([for (i=[0:layers]) transform(translation(CapTranslation(i, keyID)) * rotation(CapRotation(i, keyID)), elliptical_rectangle(CapTransform(i, keyID), b = CapRoundness(i,keyID),fn=fn))]); //outer shell //Bottom shell if( Stem == Choc){ skin([for (i=[0:layers]) transform(translation(CapTranslation(i, keyID+1)) * rotation(CapRotation(i, keyID+1)), elliptical_rectangle(CapTransform(i, keyID+1), b = CapRoundness(i,keyID+1),fn=fn))]); //outer shell }else { skin([for (i=[0:layers]) transform(translation(CapTranslation(i, keyID+2)) * rotation(CapRotation(i, keyID+2)), elliptical_rectangle(CapTransform(i, keyID+2), b = CapRoundness(i,keyID+2),fn=fn))]); //outer shell } //Cut inner shell // } if(Stem == Choc){ rotate([0,0,stemRot])translate([0,0,-2.])choc_stem(draftAng = draftAngle); // generate mx cherry stem, not compatible with box } else if (Stem +MX){ translate([0,0,-4.25])rotate(stemRot)cylinder(d =5.5, 3.75, $fn= 64); // translate([0,0,-.001])skin([for (i=[0:stemLayers]) transform(translation(StemTranslation(i,keyID))*rotation(StemRotation(i, keyID)), rounded_rectangle_profile(StemTransform(i, keyID),fn=fn,r=1 /*StemRadius(i, keyID) */ ))]); //outer shell } //cut for fonts and extra pattern for light? if(visualizeDish == true && Dish == true){ #translate([-TopWidShift(keyID),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),90-ZAngleSkew(keyID)])skin(BackCurve); } } //Cuts //Fonts if(cutLen != 0){ translate([sign(cutLen)*(BottomLength(keyID)+CapRound0i(keyID)+abs(cutLen))/2,0,0]) cube([BottomWidth(keyID)+CapRound1i(keyID)+1,BottomLength(keyID)+CapRound0i(keyID),50], center = true); } if(Legends == true){ } //Dish Shape if(Dish == true){ translate([-TopWidShift(keyID),.0001-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),90-ZAngleSkew(keyID)])skin(BackCurve); if (Stem == MX){ translate([0,0,-4.25])rotate(stemRot){ skin(StemCurve); skin(StemCurve2); } } if(SecondaryDish == true){ #translate([BottomWidth(keyID)/2,-BottomLength(keyID)/2,KeyHeight(keyID)-SDishHeightDif(keyID)])rotate([0,-YAngleSkew(keyID),0])rotate([0,-90-XAngleSkew(keyID),270-ZAngleSkew(keyID)])skin(SBackCurve); mirror([1,0,0])translate([BottomWidth(keyID)/2,-BottomLength(keyID)/2,KeyHeight(keyID)-SDishHeightDif(keyID)])rotate([0,-YAngleSkew(keyID),0])rotate([0,-90-XAngleSkew(keyID),270-ZAngleSkew(keyID)])skin(SBackCurve); } } if(crossSection == true) { translate([0,-25,-.1])cube([15,50,15]); } } //Homing dot if(homeDot == true)translate([0,0,KeyHeight(keyID)-DishHeightDif(keyID)-.25])sphere(d = 1); } //------------------stems $fn = fn; MXWid = 4.03/2+Tol; //horizontal lenght MXLen = 4.23/2+Tol; //vertical length MXWidT = 1.15/2+Tol; //horizontal thickness MXLenT = 1.25/2+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 = 4.00) //You can add more traj if you wish ]; 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) //You can add more traj if you wish ]; 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(draftAng = 5) { stemHeight = 3.1; dia = .15; wids = 1.2/2; lens = 2.9/2; module Stem() { difference(){ translate([0,0,-stemHeight/2])linear_extrude(height = stemHeight)hull(){ translate([wids-dia,-3/2])circle(d=dia); translate([-wids+dia,-3/2])circle(d=dia); translate([wids-dia, 3/2])circle(d=dia); translate([-wids+dia, 3/2])circle(d=dia); } //cuts translate([3.9,0])cylinder(d1=7+sin(draftAng)*stemHeight, d2=7,3.5, center = true, $fn = 64); translate([-3.9,0])cylinder(d1=7+sin(draftAng)*stemHeight,d2=7,3.5, center = true, $fn = 64); } } translate([5.7/2,0,-stemHeight/2+2])Stem(); translate([-5.7/2,0,-stemHeight/2+2])Stem(); } /// ----- 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;