mirror of
https://github.com/pseudoku/PseudoMakeMeKeyCapProfiles.git
synced 2024-05-09 01:32:42 +00:00
406 lines
19 KiB
OpenSCAD
406 lines
19 KiB
OpenSCAD
use <scad-utils/morphology.scad> //for cheaper minwoski
|
|
use <scad-utils/transformations.scad>
|
|
use <scad-utils/shapes.scad>
|
|
use <scad-utils/trajectory.scad>
|
|
use <scad-utils/trajectory_path.scad>
|
|
use <sweep.scad>
|
|
use <skin.scad>
|
|
//use <z-butt.scad>
|
|
|
|
//Choc Chord version Chicago Stenographer
|
|
|
|
/*Tester */
|
|
keycap(
|
|
keyID = 1, //change profile refer to KeyParameters Struct
|
|
cutLen = 0, //Don't change. for chopped caps
|
|
Stem = true, //tusn on shell and stems
|
|
StemRot = 0, //change stem orientation by deg
|
|
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
|
|
Legends = false
|
|
);
|
|
|
|
//-Parameters
|
|
wallthickness = 1.1; // 1.75 for mx size, 1.1
|
|
topthickness = 2.5; //2 for phat 3 for chicago
|
|
stepsize = 50; //resolution of Trajectory
|
|
step = 2; //resolution of ellipes
|
|
fn = 32; //resolution of Rounded Rectangles: 60 for output
|
|
layers = 40; //resolution of vertical Sweep: 50 for output
|
|
|
|
//---Stem param
|
|
slop = 0.3;
|
|
stemRot = 0;
|
|
stemWid = 8;
|
|
stemLen = 6;
|
|
stemCrossHeight = 1.8;
|
|
extra_vertical = 0.6;
|
|
stemLayers = 50; //resolution of stem to cap top transition
|
|
//#cube([18.16, 18.16, 10], center = true); // sanity check border
|
|
|
|
//injection param
|
|
draftAngle = 0; //degree note:Stem Only
|
|
//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
|
|
//Column 0
|
|
//Levee: Chicago in choc Dimension
|
|
[17.20, 16.00, 5.6, 5, 4.9, 0, .0, 5, -0, -0, 2, 2.5, .10, 2, .10, 3, 2, 2], //Chicago Steno R2/R4
|
|
[17.20, 16.00, 5.6, 5, 4.5, 0, .0, 0, -0, -0, 2, 2.5, .10, 3, .10, 3, 2, 2], //Chicago Steno R3 flat
|
|
[17.20, 16.00, 1.25, 1.25, 4.5, 0, .0, 0, -0, -0, 2, 2.5, .10, .5, .10, .5, 2, 2], //Chicago Steno R3 chord
|
|
//mods 3
|
|
|
|
[17.20, 16.00, 4.25, 3.25, 5.5, -.7, 0.7, 0, -4, -0, 2, 2, .10, 2, .10, 2, 2, 2], //Levee Corner R2
|
|
[17.20, 16.00, 4.25, 3.25, 5.2, -.8, 0.6, 0, -4, -0, 2, 3, .10, 2, .10, 2, 2, 2], //Levee Corner R2
|
|
//1.25 5
|
|
[21.3, 15.60, 5.6, 5, 4.5, 0, .0, 5, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R2/R4 1.25u
|
|
[21.4, 15.60, 5.6, 5, 4.5, 0, .0, 0, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R3 1.25u
|
|
//1.5 7
|
|
[26.15, 15.60, 5.6, 5, 4.5, 0, .0, 5, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R2/R4 1.5
|
|
[26.15, 15.60, 5.6, 5, 4.5, 0, .0, 0, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R3 1.5u
|
|
//1.75 9
|
|
[30.90, 15.60, 5.6, 5, 4.5, 0, .0, 5, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R2/R4 1.5
|
|
[30.90, 15.60, 5.6, 5, 4.5, 0, .0, 0, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R3 1.5u
|
|
//2.00 11
|
|
[35.70, 15.60, 5.6, 5, 4.5, 0, .0, 5, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R2/R4 1.5
|
|
[30.90, 15.60, 5.6, 5, 4.5, 0, .0, 0, -0, -0, 2, 2, .5, 3, .5, 3, 2, 2], //Chicago Steno R3 1.5u
|
|
// Ergo shits
|
|
[18.75, 18.75, 5.6, 5, 8, 0, .25, 0, -0, -0, 2, 2.5, .10, 3, .10, 3, 2, 2], //highpro 19.05 R2|4
|
|
[17.20, 16.00, 5.6, 5, 4.7, 0, .0, 3, -0, -0, 2, 2.5, .10, 2, .10, 3, 2, 2], //Chicago Steno R2 ALT
|
|
[17.20, 16.00, 5.6, 5, 5.5, 0, .0, 7, -0, -0, 2, 2.5, .10, 2, .10, 3, 2, 2], //Chicago Steno R1 Steap
|
|
[17.20, 16.00, 5.6, 5, 7.0, 0, .0, 10, -0, -0, 2, 2.5, .10, 2, .10, 3, 2, 2] //Chicago Steno R1 mild with alt R2
|
|
];
|
|
|
|
dishParameters = //dishParameter[keyID][ParameterID]
|
|
[
|
|
//FFwd1 FFwd2 FPit1 FPit2 DshDep DshHDif FArcIn FArcFn FArcEx BFwd1 BFwd2 BPit1 BPit2 BArcIn BArcFn BArcEx
|
|
//Column 0
|
|
[ 4.5, 4, 7, -50, 7, 1.7, 11, 17, 2, 4.5, 4, 2, -35, 11, 15, 2], //Chicago Steno R2/R4
|
|
[ 4.5, 4, 5, -40, 7, 1.7, 11, 15, 2, 4.5, 4, 5, -40, 11, 15, 2], //Chicago Steno R3 flat
|
|
[ 4.5, 4, 5, -40, 7, 1.7, 11, 15, 2, 4.5, 4, 5, -40, 11, 15, 2], //Chicago Steno R3 chord
|
|
|
|
[ 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
|
|
//1.25
|
|
[ 4.5, 4, 7, -40, 8, 1.8, 15, 20, 2, 4.5, 4, 2, -35, 15, 20, 2], //Chicago Steno R2/R4
|
|
[ 4.5, 4, 5, -40, 8, 1.8, 15, 20, 2, 4.5, 4, 5, -40, 15, 20, 2], //Chicago Steno R3
|
|
//1.5
|
|
[ 4.5, 4, 7, -40, 8, 1.8, 19, 25, 2, 4.5, 4, 2, -35, 19, 25, 2], //Chicago Steno R2/R4
|
|
[ 4.5, 4, 5, -40, 8, 1.8, 19, 25, 2, 4.5, 4, 5, -40, 19, 25, 2], //Chicago Steno R3
|
|
//1.75
|
|
[ 4.5, 4, 7, -40, 8, 1.8, 22.5, 27, 2, 4.5, 4, 2, -35, 22.5, 27, 2], //Chicago Steno R2/R4
|
|
[ 4.5, 4, 5, -40, 8, 1.8, 22.5, 27, 2, 4.5, 4, 5, -40, 22.5, 27, 2], //Chicago Steno R3
|
|
//2.00
|
|
[ 4.5, 4, 7, -40, 8, 1.8, 22.5, 27, 2, 4.5, 4, 2, -35, 22.5, 27, 2], //Chicago Steno R2/R4
|
|
[ 4.5, 4, 5, -40, 8, 1.8, 22.5, 27, 2, 4.5, 4, 5, -40, 22.5, 27, 2], //Chicago Steno R3
|
|
|
|
[ 5, 5, 5, -40, 7, 1.7, 11, 15, 2, 5, 5, 5, -40, 11, 15, 2], //Chicago Steno R3 flat
|
|
[ 4.5, 4, 7, -50, 7, 1.7, 11, 17, 2, 4.5, 4, 2, -35, 11, 15, 2], //Chicago Steno R1
|
|
[ 4.5, 4, 7, -50, 7, 1.7, 11, 17, 2, 4.5, 4, 2, -35, 11, 15, 2], //Chicago Steno R1
|
|
[ 4.5, 4, 7, -50, 7, 1.7, 11, 17, 2, 4.5, 4, 2, -35, 11, 15, 2] //Chicago Steno R1
|
|
];
|
|
|
|
|
|
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 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 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 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 DishShape2 (a,b, phi = 200, theta, r) =
|
|
concat(
|
|
// [[c+a,b]],
|
|
ellipse(a, b, d = 0,rot1 = 90, rot2 = phi),
|
|
[for (t = [-atan(-b*cos(phi)/a*sin(phi))+step:step:90])
|
|
[r*sin(t)+a*cos(phi)+r*sin(atan(b*cos(phi)/-a*sin(phi)))+a, r*cos(t)+b*sin(phi)-r*cos(atan(b*cos(phi)/-a*sin(phi)))]],
|
|
|
|
|
|
[[a,b*sin(270)+r*sin(theta)]] //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)), //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)
|
|
];
|
|
|
|
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, crossSection = false, Dish = true, Stem = false, StemRot = 0, homeDot = false, Stab = 0, Legends = false) {
|
|
|
|
//Set Parameters for dish shape
|
|
FrontPath = quantize_trajectories(FrontTrajectory(keyID), steps = stepsize, loop=false);
|
|
BackPath = quantize_trajectories(BackTrajectory(keyID), steps = stepsize, loop=false);
|
|
|
|
//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){
|
|
translate([0,0,-.001])skin([for (i=[0:layers-1]) transform(translation(InnerTranslation(i, keyID)) * rotation(CapRotation(i, keyID)), elliptical_rectangle(InnerTransform(i, keyID), b = CapRoundness(i,keyID),fn=fn))]);
|
|
}
|
|
}
|
|
if(Stem == true){
|
|
rotate([0,0,StemRot]){
|
|
choc_stem(draftAng = draftAngle);
|
|
if (Stab != 0){
|
|
// no need for stab
|
|
}
|
|
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)))]); //outer shell
|
|
}
|
|
}
|
|
}
|
|
|
|
//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){
|
|
#rotate([-XAngleSkew(keyID),YAngleSkew(keyID),ZAngleSkew(keyID)])translate([-1,-5,KeyHeight(keyID)-2.5])linear_extrude(height = 1)text( text = "ver2", font = "Constantia:style=Bold", size = 3, valign = "center", halign = "center" );
|
|
}
|
|
//Dish Shape
|
|
if(Dish == true){
|
|
if(visualizeDish == false){
|
|
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);
|
|
} else {
|
|
#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(crossSection == true) {
|
|
translate([0,-25,-.1])cube([15,50,15]);
|
|
}
|
|
}
|
|
//Homing dot
|
|
if(homeDot == true){
|
|
translate([2,-4.5,KeyHeight(keyID)-DishHeightDif(keyID)+.15])sphere(d = 1);
|
|
translate([-2,-4.5,KeyHeight(keyID)-DishHeightDif(keyID)+.15])sphere(d = 1);
|
|
}
|
|
}
|
|
|
|
//------------------stems
|
|
$fn = fn;
|
|
|
|
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;
|
|
|
|
//lp_production_base();
|
|
//for(i = [0:3-1]){
|
|
// for(j = [0:2-1]){
|
|
// translate([(1-i)*21, (.5-j)*21,0]){
|
|
// keycap(keyID = 1, cutLen = 0, Stem =false, Dish = true, SecondaryDish = false ,Stab = 0 , visualizeDish =false , crossSection = false, homeDot = true, Legends = false);
|
|
//// import("R3X.stl");
|
|
// }
|
|
// }
|
|
// }
|
|
//for(i = [0:1-1]){
|
|
// for(j = [0:2-1]){
|
|
// translate([(1-i)*21, (.5-j)*21,0]){
|
|
// keycap(keyID = 1, cutLen = 0, Stem =false, Dish = true, SecondaryDish = false ,Stab = 0 , visualizeDish =false , crossSection = false, homeDot = true, Legends = false);
|
|
// }
|
|
// }
|
|
// }
|
|
//translate([(1-0)*21, (.5-0)*21,0]) |