A Twenty-Faced Symmetrohedron Featuring Four Regular Enneagons, Four Equilateral Triangles, and Twelve Isosceles Triangles Posted on 31 October 2022 by RobertLovesPi I made this using Stella 4d, which you can try for free here. Share this:EmailFacebookLinkedInPinterestPocketPrintRedditSkypeTelegramTumblrTwitterWhatsAppLike this:Like Loading... Related