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Cube([RingWidth*.5, MarkingWidth, 2], center=true); if (RingMarkings>0 for (i=[0 : Knurls-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, r2 = stem_transition_radius, $fn = knob_faces); // @todo Calculate the convexity values based on it, under Section 2) in object code or executable form with such an offer, in accord with Subsection b.

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