Inverted disicositetrachoron

The inverted disicositetrachoron, or idi, is a nonconvex uniform polychoron that consists of 24 quasitruncated hexahedra and 24 great cubicuboctahedra. Four quasitruncated hexahedra and four great cubicuboctahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great distetracontoctachoron.