Sefferine Madrasah, Fez, Morocco

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are 7 non-regular reflective tiles (including one dart).
• The tiling satisfies the interlace condition and has four finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 287 polygons.

1. Photo by David Wade: MOR 0410 (Sefferine Madrasah, Fez, Morocco) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1271AD, 669AH)
2. Photo by David Wade: SPA 0301 (Generalife, Granada, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1314-25AD, 713-25AH)

• Wade photo MOR 0410
• Wade photo SPA 0301

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