Cassiopee can transform any mesh into a general polyhedral mesh (NGON)
thanks to function C.convertArray2NGon. A dual mesh can then be obtained
from any NGON mesh with function T.dual.
Triangle surface mesh and dual mesh for a brontosaure model by S. Péron.
Triangle surface mesh and dual mesh for a lion model by S. Péron.
Tetra volume mesh and dual mesh for a cylinder by S. Péron.
