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Module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (RingMarkings>0 for (i=[0 : Knurls-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $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_transition_height, r1 = stem_radius, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_transition_height, r1 = stem_radius, r2 = knob_radius_top, h = hole_depth, center = true); hole_depth = max(knob_radius_top, knob_radius_bottom.

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