17-5 gyrochoron

The 17-5 gyrochoron, also known as funky 17, is a convex isochoric polychoron and member of the gyrochoron family with 17 identical cells. It can also be constructed as the 17-7 gyrochoron.

Each cell of this polychoron has mirror symmetry, with 2 heptagons, 2 hexagons, 4 tetragons, and 2 triangles for faces.