Great hexacosihecatonicosidishecatonicosachoron

The great hexacosihecatonicosidishecatonicosachoron, or gixhidy, is a nonconvex uniform polychoron that consists of 600 regular tetrahedra, 120 regular dodecahedra, 120 quasitruncated great stellated dodecahedra, and 120 [[quasitruncated small stellated dodecahedron|quasitruncated small stellated dodecahedra. 1 tetrahedron, 1 dodecahedron, 3 quasitruncated great stellated dodecahedra, and 3 quasitruncated small stellated dodecahedra join at each vertex.