Great ditrigonal hecatonicosihexacosihecatonicosachoron

The great ditrigonal hecatonicosihexacosihecatonicosachoron, or gidthixhi, is a nonconvex uniform polychoron that consists of 600 regular tetrahedra, 120 regular dodecahedra, and 120 great ditrigonal dodecicosidodecahedra. 1 tetrahedron, 1 dodecahedron, and 3 great ditrigonal dodecicosidodecahedra join at each vertex.