Cyclooctaexic heptacomb

The cyclooctaexic heptacomb or cyooh, also called the 7-simplex honeycomb is a convex uniform heptacomb. 16 octaexa, 56 rectified octaexa, 112 birectified octaexa, and 70 hexadecaexa join at each vertex of this tessellation. It is the 7D simplectic honeycomb.