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// Depth of the main (cylindrical or conical) shape. [mm] knob_radius_top = 10; // If you want finger ridges around the knob? Knurled = 1; // actually.. I don't know what this does. Pad = 0.2; // Padding to maintain manifold rotate_extrude(convexity = 5, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = smooth // outer pointy indicator // cube size of Unseen Servant.

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