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12 lines
220 B
12 lines
220 B
in=30;
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out=44.3;
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shaft=16;
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difference() {
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union() {
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cylinder(r1=in/2, r2=in/2, h=20, $fn=80);
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cylinder(r1=out/2, r2=out/2, h=12, $fn=80);
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}
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cylinder(r1=shaft/2, r2=shaft/2, h=20, $fn=80);
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}
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