#A2----------------------------------------------
plane p 0 0 0 1 0 0 0 -.5 1
pcylinder p p 10 20
plane p2 10 -.2 5 0 0 1
pcylinder p2 p2 4 10
bfuse f p p2
nexplode f f
depouille result f 0 0 1 f_4 4 0 0 15 0 0 1

checkprops result -s 2018.64