Bibi-Khanym, Samarkand

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 5°.
• Contains one regular 8-pointed star polygon with vertex angle of 70°.
• There is one non-regular reflective tile.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 71 polygons.

1. Photo by David Wade: TRA 0305 (Bibi-Khanym, Samarkand, Central Asia) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo TRA 0305

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