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Knob(); // Entry point of the holder // e.g.: Radio Shaek 2 * nothing, shafthole_height + 2 * nothing, shafthole_height + 2 * shafthole_radius + 2 * nothing, shafthole_cutoff_arc_height + 2 * nothing, shafthole_cutoff_arc_height + 2 * nothing cube(cutoff_size, center = true, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = sphere_indents_faces); height = cone_indents_height + 2 * nothing; z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - sphere_indents_cutdepth; for (z = [0 : sphere_indents_count]) { // draws.

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