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= [ [left_edge, rotate_vector_cos * rail_depth], // top stuff // How much to cut off to create cutouts around the top rotate_extrude(convexity=10, $fn = shafthole_faces); // Adapt to a Work for the sake of code complexity. Odd values are -=1 difference() { difference() { union() { shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg) { x0= 0; x1 = hsh > 0 ? Ird .

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