Yusuf ibn Kuseyir

• 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 square.
• Contains one regular octagon.
• There are three non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 129 polygons.

1. Page 91 (Mausoleum of Yusuf ibn Kuseyir, Nakhichevan, Azerbaijan, Central Asia) of Károly Gink. Azerbaijan, mosques, turrets, palaces, Corvina Kiadó, 1979. ISBN 963130321. [gink] {text by Ilona Turánszky}(1162AD, 556AH)
2. Fig 446 (Hatuniye madrasah, Karaman, Turkey. Carved marble facade detail to main entrance) of Derek Hill. Islamic architecture and its decoration, A.D. 800-1500..., Faber and Faber, Pressmark 35.C.183, 1964. ISBN 050051032. [hill] {With an introductory text by Oleg Grabar}

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