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True; arrow_scale_shaft = 1.5; // // smoothing = true; set_screw_radius = 1.5; set_screw_depth = 9; set_screw_height = 4; // Number of facets of rounding cylinder ct = -0.1; // circle translate? Not sure. Pad = 0.2; // Padding to maintain manifold rotate_extrude(convexity = 5, $fn = sphere_indents_faces); height = 128.5; // A little less then 3U .

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