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With spacing ", left_panel_spacing); right_panel_width = width_mm - right_rib_thickness; // projection: make a hole with radius: ", hole_r , " at ", width_mm - thickness*2; // draw a "vertical" wall to mount the circuit board sideways on // h = hole_depth, center = true, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); rotate_extrude(convexity = 5, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_transition_height, r1 = stem_radius.

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