row_2 = row_1 + v_margin + 12; row_2 = row_1 + vertical_space/7; row_5 = working_increment*4 + out_row_1; out_row_4 = working_increment*3 + 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, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, bottom_row, 0]; pwm_pot = [input_column - h_margin/2, bottom_row, 0]; c_tune = [second_col, fourth_row, 0]; pwm_cv_lvl = [second_col.