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Top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = top_rounding_faces cylinder(h = stem_transition_height, r1 = stem_radius, $fn = shafthole_faces); // Adapt to a D-shaped shafthole if desired. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); knurled_finish(cord, cird, clf.

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