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", width_mm - h_margin; working_height = height * rotate_vector_cos; points = [ [left_edge, rotate_vector_cos * rail_depth], // top edge smoothing // thanks to http://www.iheartrobotics.com/ for the arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; // // smoothing = true; flat_size = 5 square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces cylinder(h = stem_transition_height, r1 = stem_radius, r2 = stem_transition_radius, $fn = stem_faces); // Widening part at the top edge.

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