Ghanim al-Bahlawan, Cairo

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains two regular two-pointed star polygons with vertex angle of 72°.
• Contains one regular pentagon.
• There are three non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 147 polygons.

1. Page 313, Fig 212b (Ghanim al-Bahlawan, Cairo, Egypt) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}(1478AD, 882AH)

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