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Nothing, = stem_radius, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); rotate_extrude(convexity = 5, $fn = 3, center = true); // The Trenches // The OpenSCAD default. // Minimum size of 8 minimum to point out // round shaft hole cylinder(r=shaft_radius,h=shaft_height, $fn=shaft_smoothness); if(shaft_is_flatted.

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