18-2 gyrochoron

The 18-2 gyrochoron, also known as mobius 18, is a convex isochoric polychoron and member of the gyrochoron family wih 18 ridge-sextitruncated wedges as cells.

Each cell of this polychoron has bilateral symmetry, with 2 mirror-symmetric hexadecagons, 1 rhombus, 12 kites, and 2 isosceles triangles for faces, and shares a face with every other cell.