Sakkala, Tetouan

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains four regular 8-pointed star polygons with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 14 non-regular reflective tiles (including 2 kites) and one reflective pair.
• The tiling satisfies the interlace condition and has five finite interlaces and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 1003 polygons.

1. Photo by David Wade: MOR 2804x (Sakkala, Tetouan, Morocco) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo MOR 2804x

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