20-6 gyrochoron

The 20-6 gyrochoron, also known as funky 20, is a convex isochoric polychoron with 20 identical cells.

Each cell of this polychoron has bilateral symmetry, with 2 mirror-symmetric octagons, 2 mirror-symmetric hexagons, 1 rhombus, 4 kites, and 2 isosceles triangles for faces.