Common Edge-Unzippings for Tetrahedra
arXiv:1105.5401
Abstract
It is shown that there are examples of distinct polyhedra, each with a Hamiltonian path of edges, which when cut, unfolds the surfaces to a common net. In particular, it is established for infinite classes of triples of tetrahedra.
9 pages, 4 figures. Version 2 simplifies one proof