Alay Han, Turkey

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains four squares.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are five non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has three finite interlaces and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 421 polygons.

1. Photo by David Wade: TUR 0608 (Agzikara Han, Turkey) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1192AD, 587AH)
2. Table 7 (2) (Alay Han, Turkey. Stone carving with interlacing) of Kurt Erdmann. Das anatolische Karavansaray des 13. Jahrhunderts, Berlin, 1961-76. [erdmann] {In 3 volumes}

• Wade photo TUR 0608

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