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Cdp, fsh, smt echo("knurled cylinder min diameter: ", 2*cird); if( fsh < 0 } module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (style == "nut"){ // a round shafthole base shape. Cylinder(r = shafthole_radius, h = engraved_indicator_depth * 2, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_transition_height, r1 = stem_radius, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); rotate_extrude(convexity = 5, $fn = knob_faces); // Create a hole with radius: .

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