Prismatotrispentachoron

The prismatotrispentachoron, or pittip, is a nonconvex uniform polychoron that consists of 10 triangular prisms, 5 truncated tetrahedra, 5 octahemioctahedra, and 5 truncated octahedra. 1 triangular prism, 1 truncated tetrahedron, 1 octahemioctahedron, and 2 truncated octahedra join at each vertex.

It is in the same regiment as the prismatorhombated pentachoron.