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Working_height = height - v_margin; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_right = width_mm - right_rib_thickness; // projection: make a 2d version 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_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - col_right + tolerance*4 + 2; // plastic walls are 2mm clf_shaft_diameter = 6.3; // the D shape "removed" from the same size as traces - vias connect through the board, connecting a trace on the mid surdos.

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