Octagonal duotruncatotegum

The octagonal duotruncatotegum is a convex isochoric polychoron and member of the duotruncatoprism family with 256 mirror-symmetric edge-truncated tetrahedra as cells.

Each cell of this polychoron has mirror symmetry, with 2 mirror-symmetric pentagons, 2 kites, and 2 scalene triangles for faces.