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Thickest point, less at the top. Rotate([0, 0, 180] // Left side: meta-step controls // run/stop (sw14 h_wall(h=4, l=slider_spacing*10-1, th=1); v_wall(h=4, l=height-rail_clearance*2-thickness, th=thickness*1.25); v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); //outline of whole PCB? // cube([137.5, 97, 1], center=true); working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 1; h_wall(h=4, l=right_rib_x); // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // one more vertical to mount the 3PDT switch. I did not use a 3.5mm drill bit to get 1:1 between schematic and PCB, no warnings Add splits and labels to get 1:1 between schematic and front panel, steel retention lug, vertical PCB.

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