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Overlap for unions and differences, to prevent z-fighting. // Degrees per fragment of a round shafthole base shape. See knob_base(). Rotate([0, 0, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); // Flat for D-shaped hole } // Questionable Content (cleanup) // Questionable Content (cleanup) // Questionable Content (cleanup // only keep everything starting at the first run PCBs.

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