Chellah, tomb pavement

• Growth dynamic build of this pattern.
• Random dynamic build of this pattern.
• Structured dynamic build of this pattern.
• 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 9 regular 8-pointed star polygons with vertex angle of 90°.
• There are 10 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 2075 polygons.

1. Internet photo from Sarah Tricha (Morocco) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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