An Octahedron, Augmented with Eight Great Icosahedra, and the Dual of this Augmented Polyhedral Cluster Image Posted on 20 June 2014 by RobertLovesPi I made these using Stella 4d, which you can try at http://www.software3d.com/Stella.php. Here is its dual, also: Share this:EmailFacebookLinkedInPinterestPocketPrintRedditSkypeTelegramTumblrTwitterWhatsAppLike this:Like Loading... Related