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Square(smoothing_radius+pad,smoothing_radius+pad); rotate_extrude(convexity=10, $fn = 3, center = false); z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - cone_indents_cutdepth; for (z = [0:cylinder_number_of_indentations] cylinder(r1=radius_of_cylinder_indentations_bottom.

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