row_2 = row_1 + vertical_space/7; cv_in_1a = [left_col, row_1, 0]; fm_pot = [input_column + h_margin/2, row_1, 0]; square_out = [width_mm-h_margin, row_1, 0]; audio_out_2 = [right_col, row_5, 0]; cv_in_2a = [left_col, row_1, 0]; square_out = [third_col, fifth_row, 0.