While we are at cool mathematical objects discovered by hungarians, I really like the Szilassi polyhedron: https://en.wikipedia.org/wiki/Szilassi_polyhedron htt

While we are at cool mathematical objects discovered by hungarians, I really like the Szilassi polyhedron: https://en.wikipedia.org/wiki/Szilassi_polyhedron https://en.wikipedia.org/wiki/Szilassi_polyhedron This and the tetrahedron are the only two known polyhedra in which each face shares an edge with each other face.