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Barely-visible outline of component footprints width = 17; // [1:1:84] working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff right_rib_thickness = 2; center_adjust = 2.5; // margins from edges h_margin = hole_dist_side + thickness; right_rib_x = width_mm - hole_dist_side, height - v_margin; working_increment = working_height / 5; row_2 = row_1 + v_margin + 12; row_1 = bottom_row + v_margin + 12; row_1 = vertical_space/7; row_2 = row_1 + vertical_space/7; row_7 = row_6 + vertical_space/7; row_6 = row_5 + vertical_space/7; row_7 = row_6 + vertical_space/7; cv_in_1a = [left_col, row_5, 0]; audio_out_1 = [right_col, row_2, 0]; pwm_in = [input_column + h_margin/2, row_1, 0]; saw_out = [output_column, row_1, 0]; pwm_in = [first_col, fifth_row, 0]; //left_rib_x = thickness + 6 + tolerance; // rib + half a jack col_right = width_mm - hole_dist_side - thickness; // draw a "vertical" wall to mount the circuit board to, dead center v_wall(h=4, l=top_row-rail_clearance*2-thickness-15); // PCB holder pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib.

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