row_2 = row_1 + v_margin + 12; //knob_radius top_row = height * rotate_vector_cos, rotate_vector_sin * height], // top right [left_edge + height * rotate_vector_cos; points = [ [left_edge, rotate_vector_cos * rail_depth], // top horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib // h_wall(h=4, l=right_rib_x); // middle-bottom h rib pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C or.