13-2 gyrochoron

The 13-2 gyrochoron, also known as mobius 13, is a convex isochoric polychoron and member of the gyrochoron family with 13 ridge-tritruncated edge-truncated tetrahedra as cells. It can also be constructed as the 13-6 gyrochoron.

Each cell of this polychoron has bilateral symmetry, with 2 mirror-symmetric hendecagons, 8 kites, and 2 isosceles triangles for faces, and shares a face with every other cell.