row_2 = row_1 + v_margin + 12; row_2 = row_1 + vertical_space/7; row_6 = row_5 + vertical_space/7; row_6 = row_5 + vertical_space/7; row_5 = working_increment*4 + row_1; row_5 = working_increment*4 + row_1; row_5 = working_increment*4 + row_1; row_4 = row_3 + vertical_space/7; row_6 = row_5 + vertical_space/7; cv_in_1a = [left_col, row_1, 0]; saw_out = [output_column, row_2, 0]; audio_in_2 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_1, 0]; pwm_in = [input_column - h_margin/2, bottom_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = hole_dist_side + thickness; h_margin = hole_dist_side*4; v_margin = hole_dist_top*2 + thickness; working_height .