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Hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = shafthole_radius, h = shafthole_height, $fn = stem_faces); // Widening part at the top. Rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = sphere_indents_faces); height = cone_indents_height + 2 * nothing cube(cutoff_size, center = true); hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = 8, h = engraved_indicator_depth.

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