Small tritrigonary prismatohexacosidishecatonicosachoron

The small tritrigonary prismatohexacosidishecatonicosachoron, or stut pixady, is a nonconvex uniform polychoron that consists of 600 regular tetrahedra, 720 pentagrammic prisms, 120 small rhombicosidodecahedra, and 120 ditrigonary dodecadodecahedra. 1 tetrahedron, 3 pentagrammic prisms, 3 small rhombicosidodecahedra, and 1 ditrigonary dodecadodecahedron join at each vertex.

It is in the same regiment as the small tritrigonary prismatohecatonicosidishexacosichoron.