Great circumfacetodistetracontoctachoron

The great circumfacetodistetracontoctachoron, or gamfaddic, is a nonconvex uniform polychoron that consists of 48 octahedra and 48 great cubicuboctahedra. Two octahedra and eight great cubicuboctahedra join at each vertex.

It also has quasitruncated hexahedra as pseudofacets.

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