Prismatoprismatohecatonicosachoron

The prismatoprismatohecatonicosachoron, or paphi, is a nonconvex uniform polychoron that consists of 720 pentagonal prisms, 1200 triangular prisms, and 120 small dodecicosidodecahedra. Three pentagonal prisms, three triangular prisms, and three small dodecicosidodecahedra join at each vertex.

It also has 120 dodecahedra and 600 tetrahedra as pseudofacets.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the small disprismatohexacosihecatonicosachoron.