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BackUnescape width = 24; // [1:1:84] // margins from edges h_margin = hole_dist_side + thickness; v_margin = hole_dist_top*5; output_column = width_mm - thickness*2.2; left_rib_x = thickness * 1; right_rib_x = width_mm - thickness; module label(string, size=4, halign="center") { color([1,0,0]) linear_extrude(thickness+1) text(string, size, halign=halign, font=font); } module shaft_hole() { { // replace the