To be useful as a fair die, a polyhedron needs to be isohedral or face-transitive, which means that for every pair of faces, there has to be a symmetry which maps one face to the other. There are a lot shapes that fulfill these requirements, far more
To be useful as a fair die, a polyhedron needs to be isohedral or face-transitive, which means that for every pair of faces, there has to be a symmetry which maps one face to the other. There are a lot shapes that fulfill these requirements, far more
To be useful as a fair die, a polyhedron needs to be isohedral or face-transitive, which means that for every pair of faces, there has to be a symmetry which maps one face to the other. There are a lot shapes that fulfill these requirements, far more