Eleven Times Two Times Three is Sixty-Six

The pink hendecagons are regular, and there are twenty-two of them.

A Tessellation Featuring Regular Enneagons, Equiangular Dodecagons, and Isosceles Triangles

Image

Tessellation Featuring Rhombi and Regular Hexagons

Image

Tessellation of Equilateral Hexagons and Squares

Image