High Quality Content by WIKIPEDIA articles! In geometry, a truncated tetrahedral prism is a convex uniform polychoron (four dimensional polytope). This polychoron has 10 polyhedral cells: 2 truncated tetrahedra connected by 4 triangular prisms and 4 hexagonal prisms. It has 24 faces: 8 triangular, 18 square, and 8 hexagons. It has 48 edges and 24 vertices. Alternative names: 1. Truncated-tetrahedral dyadic prism (Norman W. Johnson) 2. Tuttip (Jonathan Bowers: for truncated-tetrahedral prism) 3. Truncated tetrahedral hyperprism It is one of 18 uniform polyhedral prisms created by using uniform prisms to connect pairs of parallel Platonic solids and Archimedean solids.