Window shutter, Cordoba Cathedral

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are three non-regular reflective tiles.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 191 polygons.

1. Photo by David Wade: SPA 2021x (Great Mosque, Cordova, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo SPA 2021x

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