Dar Rach Tazi (20th cent)

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains 8 regular two-pointed star polygons with vertex angle of 45°.
• Contains 8 regular 8-pointed star polygons with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 15 non-regular reflective tiles (including 3 kites and one dart) and two reflective pairs.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 1959 polygons.

1. Photo from Nick Crossling (Dar Rach Tazi, Fez, Morocco. (20th cent)) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

v54