I just found this on Facebook. I made it two years before starting this blog.
Here’s a second version, with different colors:
This particular tessellation is full of angles measuring 20 degrees, 40 degrees, and other angles which are not constructable using the traditional rules of Euclidean constructions. This is because this tessellation is based on a matrix which includes regular enneagons.
These two symmetrohedra were created using Stella 4d, software you can try for free right here.
I made this using Stella 4d, which you can try for free right here.