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THE SOFTWARE. - Based on a regular polygon. ≥30 means "round, using current quality setting". Shafthole_faces = 20; // How much to cut off to create an engraved indicator arrow on the dial. Set to zero if you need a bigger flat flat_size = 5 square(top_rounding_radius + pad, top_rounding_radius + pad); rotate_extrude(convexity = 5, $fn = top_rounding_faces square(top_rounding_radius.

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