Császár polyhedron
= Császár polyhedron
{wiki=Császár_polyhedron}
The Császár polyhedron is a non-convex polyhedron that is a type of self-intersecting figure. It is characterized by its unique properties regarding its vertices, edges, and faces. The Császár polyhedron has 14 faces, 28 edges, and 14 vertices. Importantly, its faces consist of two types: quadrilateral and triaugmented triangular prisms.