#E2---------------------------------------------- plane pt 0 0 0 1 0 0 ptorus pt pt 25 24 plane p 0 0 40 0 0 1 1 -1 0 pcylinder p p 10 40 bfuse f pt p nexplode f f depouille result f 0 0 1 f_3 5 0 0 80 0 0 1 set square 25894.6