Small dishexacosidishecatonicosachoron

The small dishexacosidishecatonicosachoron, or sadixady, is a nonconvex uniform polychoron that consists of 600 regular tetrahedra, 120 great stellated dodecahedra, 600 truncated tetrahedra, and 120 truncated great icosahedra. 1 tetrahedron, 1 great stellated dodecahedron, 3 truncated tetrahedra, and 3 truncated great icosahedra join at each vertex.

Related polychora
The small dishexacosidishecatonicosachoron is the colonel of a regiment of 7 members. Its other members include the small hexacosifaceted hexacosidishecatonicosachoron, small hecatonicosafaceted hexacosidishecatonicosachoron, small ditrigonal hecatonicosihexacosihecatonicosachoron, hecatonicosihecatonicosihexacosichoron, small spinotrishecatonicosachoron, and small spinohecatonicosidishexacosichoron.