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H_wall(h=4, l=right_rib_x); // middle horizontal rib h_wall(h=4, l=right_rib_x); // middle-bottom h rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // one more vertical to mount the circuit board to, dead center // 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 with radius: ", hole_r , " at ", hole_dist_side, height - v_margin*2 - title_font_size; working_increment = working_height / (8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff left_panel_width = 12*3 + tolerance*2; //three knobs plus space between them right_panel_width = width_mm - col_right + tolerance*4; // column from edge plus hole radius // mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, straight/vertical, THT-mount, female, pitch 2.29x1.98mm, distance of mounting holes 33.3mm, distance of mounting holes to PCB edge 8.2mm.

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