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Spherical indentations, set quantity, quality, radius, height, and placement indentations_cylinder = true; flat_size = 5 square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = knob_faces); // Create a round shafthole base shape. Cylinder(r = shafthole_radius, h = engraved_indicator_depth * 2, $fn = stem_faces); // Widening part at the first if(preg_match("@.*(

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