Zuzan madrasah, Iran

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains 14 squares.
• Contains four regular 6-pointed star polygons with vertex angle of 60°.
• There are four non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has four finite interlaces and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 441 polygons.

1. Fig. 112b, Page 247 (Zuzan madrasah, Iran. Badly damaged) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}
2. Page 84 (Zuzan madrasah, Iran. Badly damaged, strapwork decoration on south iwan) of Sheila S. Blair. Muqarnas Vol. 3 (1985), pp. 75-91, Brill, 1985. ISBN . [blair2] {}

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