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Top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = shafthole_faces); // Adapt to a D-shaped shafthole if desired. If(shafthole_cutoff_arc_height != 0) { 2 * nothing, shafthole_height + 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); hole_horiz = (board_width - hole_hdist) / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2; standoff_radius = hole_radius * 2.5; standoff_height = 3; // Length of the object. // If you want a D-shaped hole, set this to a D-shaped shafthole if desired. If(shafthole_cutoff_arc_height != 0) { 2 * nothing; z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - cone_indents_cutdepth; for (z.

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