A Tessellation Featuring Regular Hendecagons, Convex Decagons, and Isosceles Triangles

Hendecagons are also known by many people as “11-gons.” It took quite a while to figure out how to make a tessellation using them.

A Symmetrohedron Derived From the Rhombic Triacontahedron

I made this from a rhombic triacontahedron, using zonohedrification and faceting, with a program called Stella 4d. If you’d like to try this program for yourself, for free, you can do that at this website. This symmetrohedron’s faces include twenty equilateral triangles, thirty regular hexagons, and sixty kites.