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Stem Draft Angle
* Added Stem Draft Angle to be adjusted for injection molding. * Adjusted approach exponents to avoid concavity for injection molding * Added Uniform Phat
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pseudoku
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2 changed files with 47 additions and 29 deletions
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@ -6,10 +6,10 @@ use <scad-utils/trajectory_path.scad>
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use <sweep.scad>
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use <skin.scad>
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//DES (Distorted Elliptical Saddle) Choc Chord version Chicago Stenographer
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//DES (Distorted Elliptical Saddle) Choc Chord version Chicago Stenographer with sculpted gergo thumb cluter
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/*Tester */
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keycap(keyID = 7, cutLen = 0, Stem =true, Dish = true, Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false);
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keycap(keyID = 1, cutLen = 0, Stem =true, Dish = true, Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false);
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// translate([0,19, 0])keycap(keyID = 3, cutLen = 0, Stem =true, Dish = true, visualizeDish = true, crossSection = true, homeDot = false, Legends = false);
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// translate([0,38, 0])mirror([0,1,0])keycap(keyID = 2, cutLen = 0, Stem =true, Dish = true, visualizeDish = false, crossSection = true, homeDot = false, Legends = false);
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@ -50,21 +50,28 @@ stemLen = 6;
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stemCrossHeight = 1.8;
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extra_vertical = 0.6;
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stemLayers = 50; //resolution of stem to cap top transition
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//#cube([18.16, 18.16, 10], center = true);
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//#cube([18.16, 18.16, 10], center = true); // sanity check border
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//injection param
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draftAngle = 2; //degree note:Stem Only
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//TODO: Add wall thickness transition?
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keyParameters = //keyParameters[KeyID][ParameterID]
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[
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// BotWid, BotLen, TWDif, TLDif, keyh, WSft, LSft XSkew, YSkew, ZSkew, WEx, LEx, CapR0i, CapR0f, CapR1i, CapR1f, CapREx, StemEx
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//Column 0
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[17.26, 17.26, 4.5, 2, 4.5, 0, .0, 5, -0, -0, 2, 3, 2, 3, 2, 6, 2, 2], //Phat Fingers
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[17.26, 17.26, 7, 4, 5.5, 0, .0, 5, -0, -0, 2, 3, 4, 4, 1, 4, 1, 2], //Chicago Steno R2/R4
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[17.26, 17.26, 7, 4, 4.5, 0, .0, 0, -0, -0, 2, 3, 4, 4, 1, 4, 1, 2], //Chicago Steno R3 flat
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[17.26, 17.26, 7, 4, 5.5, 0, .0, 5, -0, -0, 2, 3, 4, 4, 1, 4, 2, 2], //Chicago Steno R2/R4
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[17.26, 17.26, 7, 4, 4.5, 0, .0, 0, -0, -0, 2, 3, 4, 4, 1, 4, 2, 2], //Chicago Steno R3 flat
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[17.06, 35.16, 7, 3, 6.2, 0, 0, -3, -7, -0, 2, 2, 4, 4, 1, 4, 1, 2], //Chicago T0 R1 2u
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[17.06, 17.06, 7, 4, 7.4, 0, .0, -6, 4, 0, 2, 2, 4, 4, 1, 4, 1, 2], //Chicago T0 R2 1u
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[17.06, 35.16, 7, 3, 6.2, 0, 0, -3, 7, -0, 2, 2, 4, 4, 1, 4, 1, 2], //Chicago T1 R2 2u
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[17.06*1.50,17.16, 7, 5, 6.2, 0, 0, -2, 4, 5, 2, 2, 4, 4, 1, 4, 1, 2], //Chicago T2 R1 1.25
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[17.16*1.25,17.16, 7, 5, 6.8, 0, 0, -2, 3, -0, 2, 2, 4, 4, 1, 4, 1, 2] //Chicago T3 R1 1.25
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[17.06, 35.16, 7, 3, 6.2, 0, 0, -3, -7, -0, 2, 2, 4, 4, 1, 4, 2, 2], //Chicago T0 R1 2u
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[17.06, 17.06, 7, 4, 7.4, 0, .0, -6, 4, 0, 2, 2, 4, 4, 1, 4, 2, 2], //Chicago T0 R2 1u
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[17.06, 35.16, 7, 3, 6.2, 0, 0, -3, 7, -0, 2, 2, 4, 4, 1, 4, 2, 2], //Chicago T1 R2 2u
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[17.06*1.50,17.16, 7, 5, 6.2, 0, 0, -2, 4, 5, 2, 2, 4, 4, 1, 4, 2, 2], //Chicago T2 R1 1.25
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[17.16*1.25,17.16, 7, 5, 6.8, 0, 0, -2, 3, -0, 2, 2, 4, 4, 1, 4, 2, 2], //Chicago T3 R1 1.25
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[17.26, 17.26, 2, 2, 5, 0, .0, 0, -0, -0, 2, 3, 1, 3, 1, 3, 2, 2] //Phat Fingers Uniform
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];
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@ -81,6 +88,8 @@ dishParameters = //dishParameter[keyID][ParameterID]
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[ 14, 4.5, 3, -40, 8, 1.8, 12, 17, 2, 14, 4, 2, -35, 12, 15, 2], //Chicago T1 R2 2u
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[ 6, 4, 2, -35, 8, 1.8, 20, 24, 2, 6, 4, 7, -45, 20, 23, 2], //Chicago T2 R1 1.25
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[ 6, 4, 2, -35, 8, 1.8, 15, 17, 2, 6, 4, 7, -45, 15, 15, 2], //Chicago T3 R1 1.25
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[ 6, 3.5, 7, -50, 5, 1.0, 16, 23, 2, 6, 3.5, 7, -50, 16, 23, 2], //Phat Uniform
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];
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@ -244,7 +253,7 @@ module keycap(keyID = 0, cutLen = 0, visualizeDish = false, rossSection = false,
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}
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}
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if(Stem == true){
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rotate([0,0,stemRot])choc_stem(KeyHeight(keyID), slop); // generate mx cherry stem, not compatible with box
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rotate([0,0,stemRot])choc_stem(draftAng = draftAngle); // generate mx cherry stem, not compatible with box
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if (Stab != 0){
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translate([Stab/2,0,0])rotate([0,0,stemRot])cherry_stem(KeyHeight(keyID), slop);
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translate([-Stab/2,0,0])rotate([0,0,stemRot])cherry_stem(KeyHeight(keyID), slop);
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@ -326,20 +335,28 @@ module cherry_stem(depth, slop) {
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}
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}
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module choc_stem() {
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translate([5.7/2,0,-3.4/2+2])difference(){
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cube([1.25,3, 3.4], center= true);
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translate([3.9,0,0])cylinder(d=7,3.4,center = true);
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translate([-3.9,0,0])cylinder(d=7,3.4,center = true);
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module choc_stem(draftAng = 2) {
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stemHeinght = 3.4;
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module Stem() {
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difference(){
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hull(){
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translate([0,0,-stemHeinght/2])cube([1.25-sin(draftAng)*stemHeinght,3-sin(draftAng)*stemHeinght,.001], center= true);
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translate([0,0,stemHeinght/2])cube([1.25,3,.001], center= true);
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}
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translate([-5.7/2,0,-3.4/2+2])difference(){
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cube([1.25,3, 3.4], center= true);
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translate([3.9,0,0])cylinder(d=7,3.4,center = true);
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translate([-3.9,0,0])cylinder(d=7,3.4,center = true);
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//cuts
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translate([3.9,0])cylinder(d1=7+sin(draftAng)*stemHeinght, d2=7,3.5, center = true);
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translate([-3.9,0])cylinder(d1=7+sin(draftAng)*stemHeinght,d2=7,3.5, center = true);
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}
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}
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translate([5.7/2,0,-3.4/2+2])Stem();
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translate([-5.7/2,0,-3.4/2+2])Stem();
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}
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/// ----- helper functions
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function rounded_rectangle_profile(size=[1,1],r=1,fn=32) = [
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for (index = [0:fn-1])
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@ -13,20 +13,20 @@ Version 2: Eliptical Rectangle
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//Stab = 24 for
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//TODO add shift
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keycap(keyID = 3, cutLen = 0, Stem =true, Dish = true, Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false);
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keycap(keyID = 10, cutLen = 0, Stem =true, Dish = true, Stab = 0 , visualizeDish = false, crossSection = false, homeDot = false, Legends = false);
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// translate([0,19, 0])keycap(keyID = 3, cutLen = 0, Stem =true, Dish = true, visualizeDish = true, crossSection = true, homeDot = false, Legends = false);
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// translate([0,38, 0])mirror([0,1,0])keycap(keyID = 2, cutLen = 0, Stem =true, Dish = true, visualizeDish = false, crossSection = true, homeDot = false, Legends = false);
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RowHome = [0,2.5,5,2.5,0,0];
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//for(Col = [0:5]){
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// for(Row = [1:3]){
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// translate([19*Col, 19*Row +RowHome[Col], 0])keycap(keyID = Col*4+Row, cutLen = 0, Stem = true, Dish = true, visualizeDish = false, crossSection = false,Legends = false);
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// }
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//}
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for(Col = [2:2]){
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for(Row = [1:3]){
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translate([19*Col, 19*Row +RowHome[Col], 0])keycap(keyID = Col*4+Row, cutLen = 0, Stem = true, Dish = true, visualizeDish = false, crossSection = false,Legends = false);
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}
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}
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//
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//// thumb
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// translate([-15, -4, 0])rotate([0,0,30])keycap(keyID = 0, cutLen = 0, Stem =false, Dish = true, visualizeDish = false, crossSection = false);
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// translate([10, 0, 0])rotate([0,0,15])keycap(keyID = 4, cutLen = 0, Stem =false, Dish = true, visualizeDish = false, crossSection = false);
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// translate([10, 0, 0])rotate([0,0,15])keycap(key ID = 4, cutLen = 0, Stem =false, Dish = true, visualizeDish = false, crossSection = false);
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// translate([31, 2.2, 0])rotate([0,0,0])keycap(keyID = 8, cutLen = 0, Stem =false, Dish = true, visualizeDish = false, crossSection = false);
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//Parameters
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@ -95,7 +95,7 @@ dishParameters = //dishParameter[keyID][ParameterID]
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[ 6, 3, 15, -50, 5, 1.7, 9, 15, 2, 5, 4, 13, -30, 9, 16, 2], //R3
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[ 6, 3, 12, -50, 5, 1.7, 9, 15, 2, 6, 4, 13, -30, 9, 16, 2], //R2
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//Column 2
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[ 5, 4.3, 5, -48, 4, 1.7, 9.3, 10, 2, 6, 3, 13, -30, 9.3, 22, 2], //R5
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[ 5, 4.3, 5, -48, 4, 1.7, 9.3, 10, 2, 6, 3, 13, -30, 9.3, 24, 2], //R5
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[ 6, 3, 18, -50, 5, 1.7, 8.5, 15, 2, 6, 4, 13, -30, 8.5, 15, 2], //R4
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[ 6, 3, 18, -50, 5, 1.7, 8.5, 15, 2, 5, 4, 13, -30, 8.5, 15, 2], //R3
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[ 6, 3, 18, -50, 5, 1.7, 8.8, 15, 2, 6, 4, 13, 30, 8.8, 16, 2], //R2
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@ -279,6 +279,7 @@ module keycap(keyID = 0, cutLen = 0, visualizeDish = false, rossSection = false,
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if (Stab != 0){
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translate([Stab/2,0,0])rotate([0,0,stemRot])cherry_stem(KeyHeight(keyID), slop);
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translate([-Stab/2,0,0])rotate([0,0,stemRot])cherry_stem(KeyHeight(keyID), slop);
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//TODO add binding support?
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}
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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
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