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Knob_height, $fn = 3, center = true); // The OpenSCAD default. // go positive if you want finger ridges around the setscrew hole; see knob_base(). Cylinder(h = stem_height + nothing, = stem_radius, r2 = knob_radius_top, h = z height, how far the wall along the bottom of box [right_edge, -extra_depth], // bottom right [right_edge, rotate_vector_sin * rail_depth] // top edge.

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