Don't have Telegram yet? Try it now!
https://robertlovespi.net/2014/06/20/an-octahedron-augmented-with-eight-great-icosahedra-and-the-dual-of-this-augmented-polyhedral-cluster/
An Octahedron, Augmented with Eight Great Icosahedra, and the Dual of this Augmented Polyhedral Cluster