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Rounding cylinder ct = -0.1; // circle translate? Not sure. Circle_radius = knob_radius_top; // just match the top edge smoothing // thanks to http://www.iheartrobotics.com/ for the overall arrow size. Engraved_indicator_scale = 1.01; // Scale factor for the setscrew hole; see knob_base(). Cylinder(h = stem_transition_height, r1 = stem_radius, r2 = stem_transition_radius, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius .

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