#E3---------------------------------------------- profile p t 5 -5 c 5 90 t 5 5 t 0 5 t -5 5 c 5 90 t -5 -5 prism p p 0 0 12 nexplode p f depouille result p 0 0 1 p_1 1 0 0 0 0 0 1 \ p_4 4 0 0 0 0 0 1 \ p_7 7 0 0 0 0 0 1 set square 1005.01