Emir Kusun

• The tiling has no symmetry group and hence is not a repeat pattern.
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one regular 12-pointed star polygon with vertex angle of 90°.
• There are 6 non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 73 polygons.

• Page 183 (Caravanserai of Emir Kusun, Cairo, Egypt) of Henri Stierlin. Splendours of an Islamic world, Tauris Parke, 1997. ISBN 186064219. [stierlin2] {219 pages}

• Tiling with star polygons with 12 points whose vertex angle is 90°

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