Sultan Ahmed Mosque, Istanbul

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains three regular two-pointed star polygons with vertex angle of 72°.
• Contains one regular pentagon.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are 7 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 309 polygons.

1. photo by Mirek Majewski (Sultan Ahmed Mosque, Istanbul, Turkey, Ornament on the door) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (1609-16AD, 1018-25AH)

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