Chellah, tomb pavement
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- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of 45°.
- Contains 6 regular two-pointed star polygons with vertex angle of 45°.
- Contains 7 regular 8-pointed star polygons with vertex angle of 90°.
- There are 11 non-regular reflective tiles (including one kite and one dart) and one reflective pair.
- The tiling satisfies the two-colour condition.
- The tiling is edge-to-edge.
- As drawn, contains about 881 polygons.
- Internet photo from Sarah Tricha (Morocco) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]