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use <lib/smooth_prim.scad>
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HEIGHT=10; // mm
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WIDTH=10; // mm
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LOBE_THICKNESS = 6; // mm
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THICKNESS=(WIDTH-LOBE_THICKNESS)/2; // mm
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difference() {
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SmoothHollowCube(HEIGHT, THICKNESS, 0);
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translate([2,0,0]) {
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SmoothWall(LOBE_THICKNESS, HEIGHT+2, THICKNESS);
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};
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} |