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20 lines
597 B
OpenSCAD
20 lines
597 B
OpenSCAD
// A cover for computer chair pistons, so you don't accidentally kick the greasy
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// piston. Nothing special, just a cylinder with 2 cylinders cut out of it.
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// These default values are for an ikea ALRIK and my (badly tuned) pronter.
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piston_dia = 28.2;
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outer_dia = 53;
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contact_length = 5;
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covered_length = 147;
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thickness = 1.5;
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difference() {
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cylinder($fn=120, h=(contact_length + covered_length), d =(outer_dia + 2*thickness));
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cylinder($fn=120, h=contact_length, d=piston_dia);
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translate([0, 0, contact_length]) {
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cylinder($fn=120, h=covered_length, d=outer_dia);
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}
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}
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