Small hecatonicosiprismatodishecatonicosachoron

The small hecatonicosiprismatodishecatonicosachoron, or shipady, is a nonconvex uniform polychoron that consists of 720 pentagrammic prisms, 120 quasitruncated great stellated dodecahedra, 120 small icosicosidodecahedra, and 120 great quasitruncated icosidodecahedra. 1 pentagrammic prism, 1 quasitruncated great stellated dodecahedron 1 small icosicosidodecahedron, and 2 great quasitruncated icosidodecahedra join at each vertex.

Related polychora
The small hecatonicosiprismatodishecatonicosachoron is the colonel of a 3-member regiment that also includes the small ditrigonal hecatonicosiprismatodishecatonicosachoron and small hecatonicosihecatonicosihecatonicosachoron.