Escherized Cairo Pentagons
Earlier this year I made a tessellation from a concave pentagon, but it occurred to me that I could make one that could be convex or concave with that beautiful Cairo symmetry.
This is the sketch where I was working out the Cairo controls... finally it occurred to me I could make the pentagon directly instead of starting with the larger scale hexagons. Pretty sweet how the hexagon geometry forces the right angles in the pentagons, though.