Great ditrigonal hecatonicosiprismatodishecatonicosachoron

The great ditrigonal hecatonicosiprismatodishecatonicosachoron, or gid thipady, is a nonconvex uniform polychoron that consists of 720 pentagonal prisms, 120 truncated dodecahedra, 120 great ditrigonal dodecicosidodecahedra, and 120 quasitruncated dodecadodecahedra. 1 pentagonal prism, 1 truncated dodecahedron, 1 great ditrigonal dodecicosidodecahedron, and 2 quasitruncated dodecadodecahedra join at each vertex.

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