Toroidal Polyhedra
For more details on this topic, see Toroidal polyhedron.Polyhedra with the topological type of a torus are called toroidal polyhedra, and satisfy a modified version of the polyhedron formula,
The term "toroidal polydron" is also used for higher genus polyhedra and for immersions of toroidal polyhedra.
Read more about this topic: Torus