(
  ../data/ico.ply UNION
  TRANS(+1.8,+1.8,+1.8,../data/ico.ply) UNION
  TRANS(+1.8,+1.8,-1.8,../data/ico.ply) UNION
  TRANS(+1.8,-1.8,+1.8,../data/ico.ply) UNION
  TRANS(+1.8,-1.8,-1.8,../data/ico.ply) UNION
  TRANS(-1.8,+1.8,+1.8,../data/ico.ply) UNION
  TRANS(-1.8,+1.8,-1.8,../data/ico.ply) UNION
  TRANS(-1.8,-1.8,+1.8,../data/ico.ply) UNION
  TRANS(-1.8,-1.8,-1.8,../data/ico.ply)
) A_MINUS_B
ROT(1,1,1,1,(
  TRANS(+1.2,+1.2,+1.2,../data/ico.ply) UNION
  TRANS(+1.2,+1.2,-1.2,../data/ico.ply) UNION
  TRANS(+1.2,-1.2,+1.2,../data/ico.ply) UNION
  TRANS(+1.2,-1.2,-1.2,../data/ico.ply) UNION
  TRANS(-1.2,+1.2,+1.2,../data/ico.ply) UNION
  TRANS(-1.2,+1.2,-1.2,../data/ico.ply) UNION
  TRANS(-1.2,-1.2,+1.2,../data/ico.ply) UNION
  TRANS(-1.2,-1.2,-1.2,../data/ico.ply))
)
