76 lines
1.6 KiB
OpenSCAD
76 lines
1.6 KiB
OpenSCAD
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// triglide. Target 20mm
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//
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//
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// thickness
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rThick = 5;
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// strap width, rec 0.5mm under
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strapWide = 19.5;
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// strap thickness try 2mm
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strapThick = 2;
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// hole diam
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holeD = 10;
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// head curve
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hcDeep = 3;
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hcRad = 200;
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// minkowski/fillet rad
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minkRad = 1.2;
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$fn = 25;
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difference(){
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minkowski(){
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difference(){
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//main
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union(){
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cube([strapWide + 2 * rThick, 2 * strapThick + 3 * rThick + 10, (rThick - minkRad) * 2], center = true);
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translate([0, strapThick + 1.5 * rThick + 8, 0]){
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cylinder(d = 1.7 * holeD, rThick, center = true);
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}
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}
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// slot 1
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translate([0, rThick + strapThick / 2, 0]){
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cube([strapWide + 2 * minkRad, strapThick + 2 * minkRad, 99], center = true);
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}
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// slot 2
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translate([0, -1 * (rThick + strapThick), 0]){
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cube([strapWide + 2 * minkRad, strapThick * 2 + 2 * minkRad, 99], center = true);
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}
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// hole
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translate([0, strapThick + 1.5 * rThick + 8, 0]){
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cylinder(d = holeD + 2 * minkRad, rThick * 2, center = true);
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}
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// channel
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translate([0, -44 - rThick - strapThick, rThick - strapThick]){
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cube([strapWide + 2 * minkRad, 88, strapThick + minkRad], center = true);
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}
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// curvature
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translate([0, 0, hcRad + rThick - hcDeep]){
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rotate([0, 90, 0]){
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cylinder(r = hcRad, 99, center = true, $fn = 300);
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}
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}
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}
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// mink
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sphere(r = minkRad);
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}
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// bottom
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translate([0, 0, -222]){
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cube([222, 222, 444], center = true);
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}
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}
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