d_batt 21[mm] "Battery diameter" r_batt d_batt/2 "Battery radius" h_batt 70[mm] "Battery height" nx_batt 6 "Number of batteries in x-direction" ny_batt 4 "Number of batteries in y-direction" d_term 6[mm] "Terminal diameter" r_term d_term/2 "Terminal radius" h_term 1[mm] "Terminal thickness" d_sc 3[mm] "Serial connector width" h_sc 1[mm] "Bus bar thickness" w_pc 1[mm] "Parallel connector width" isEven "if(floor(nx_batt/2)