row_2 = working_increment*1 + row_1; row_3 = row_2 + vertical_space/7; row_5 = working_increment*4 + row_1; row_5 = working_increment*4 + row_1; row_5 = working_increment*4 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_9 = working_increment*8 + out_row_1; out_row_6 = working_increment*5 + out_row_1; out_row_9 = working_increment*8 + out_row_1; out_row_3 = out_working_increment*2 + out_row_1; out_row_9 = working_increment*8 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_3 = out_working_increment*2 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; //special-case the knob spacing on the top (mm h_margin = thickness*2; v_margin = hole_dist_top*5; width_mm = 70.8; // 14HP×5.08mm = 71.12; ES for 14HP is 70.8 first_row = 25.65; //mm second_row.