Great sphenoverted hexacosidishecatonicosachoron

The great sphenoverted hexacosidishecatonicosachoron, or gwavixady, is a nonconvex uniform polychoron that consists of 600 regular octahedra, 120 quasitruncated great stellated dodecahedra, and 120 great dodecicosidodecahedra. 1 octahedron, 2 quasitruncated great stellated dodecahedra, and 2 great dodecicosidodecahedra join at each vertex.

Related polychora
The great sphenoverted hexacosidishecatonicosachoron is the colonel of a seven-member regiment. Its other members include the quasirhombated great grand stellated hecatonicosachoron, great rhombic dishecatonicosachoron, great pseudorhombic prismatohecatonicosachoron, grand quasirhombic prismatohecatonicosachoron, disprismatointercepted hexacosihecatonicosachoron, and prismatointercepted hexacosidishecatonicosachoron.