47 lines
1.2 KiB
OpenSCAD
47 lines
1.2 KiB
OpenSCAD
module ptfe_guide() {
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translate([0, 0, 5])
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difference() {
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hull() {
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for (x = [-22, 22]) {
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for (y = [-4, 4]) {
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for (z = [-3, 3]) {
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translate([x, y, z])
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sphere(d=4, $fn=100);
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}
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}
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}
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}
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// Screw hole
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{
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// Top hex nut / screw cap head cutout
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translate([0, 0, 3.7])
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linear_extrude(2.61, center=true)
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polygon(points=[
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[-2.8, 1.6175],
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[0, 3.235],
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[2.8, 1.6175],
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[2.8, -1.6175],
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[0, -3.235],
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[-2.8, -1.6175],
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]);
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// Through hole
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translate([0, 0, 0])
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cylinder(h=10, d=3.2, center=true, $fn=100);
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// Bottom screw thread protrusion cutout
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translate([0, 0, -4.5])
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cylinder(h=1.01, d=4.4, center=true, $fn=100);
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}
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// PTFE holes
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for (x = [-18, -10, 10, 18]) {
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translate([x, 0, 0])
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rotate([90, 0, 0])
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cylinder(h=14, d=4.4, center=true, $fn=100);
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}
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}
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}
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ptfe_guide(); |