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20; /* [Top Rounding (optional)] */ // Line segments for circles U = 44.45; // Horizontal pitch size (mm /* [Panel] */ printer_z_fix = 0.2; // Padding to maintain manifold rotate_extrude(convexity = 5, $fn = knob_faces); // @todo Calculate the convexity values based on a regular polygon. ≥30 means "round, using current quality setting". Stem_faces = 30; // Height of the knob (in mm). If you want wider holes for square, hexagonal etc. Shafts. ≥30 means "round, using current quality setting".

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