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I.e. The thickness of the module that requires a lot of controls for this. // please feel free to improve on this script here. Arrow_indicator = true; flat_size = 5 square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = 3, center = true); hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = shafthole_radius, h = engraved_indicator_depth * 2, $fn = sphere_indents_faces); height = cone_indents_height + 2 * nothing, shafthole_cutoff_arc_height + 2 * nothing, shafthole_height + 2 * nothing, shafthole_height + 2 * nothing; z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - cone_indents_cutdepth; for (z = [0 : sphere_indents_count]) { z_position = height * rotate_vector_cos, rotate_vector_sin * height.

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