#D2----------------------------------------------
ptorus pt 9 7
plane p2 8 4 4 0 0 1 0 -1 0
pcylinder p2 p2 3 10
bfuse f pt p2
nexplode f f
depouille result f 0 0 1 f_2 10 0 0 15 0 0 1

set square 2642.63
