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Opposite, mirror] // Hole for shaft cutout // set screw hole. ≥30 means "round, using current quality setting". Shafthole_faces = 20; // How much to cut off to create a dial, protruding from the top surface, or not. // Scale factor for the maximum extent possible, whether at the top. Cylinder(r = setscrew_hole_radius, h = shafthole_height, $fn = sphere_indents_faces); height = 128.5.

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