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Shape. See knob_base(). Rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = sphere_indents_faces); height = 128.5; // A little less then 3U // Thickness of module (HP) width .

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