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Or out. Smaller is closer to the base shape. Cylinder(r = 8, h = knob_height, $fn = sphere_indents_faces); height = 266 + tolerance; rail_depth = 27.4 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge.

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