30 lines
797 B
OpenSCAD
30 lines
797 B
OpenSCAD
// Copyright 2011 Nophead (of RepRap fame)
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// This file is licensed under the terms of Creative Commons Attribution 3.0 Unported.
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// Using this holes should come out approximately right when printed
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module polyhole(h, d=0, r=0, center=false) {
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_r = (r == 0 ? d / 2 : r);
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_d = (d == 0 ? r * 2 : d);
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n = max(round(2 * _d),3);
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rotate([0,0,180])
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cylinder(h = h, r = (_d / 2) / cos (180 / n), $fn = n, center=center);
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}
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module test_polyhole(){
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difference() {
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cube(size = [100,27,3]);
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union() {
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for(i = [1:10]) {
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translate([(i * i + i)/2 + 3 * i , 8,-1])
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polyhole(h = 5, d = i);
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let(d = i + 0.5)
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translate([(d * d + d)/2 + 3 * d, 19,-1])
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polyhole(h = 5, d = d);
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}
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}
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}
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}
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