After Sultan Ahmed Mosque

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 17 regular two-pointed star polygons with vertex angle of 72°.
• Contains 21 regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are 10 non-regular reflective tiles (including one kite).
• The tiling satisfies the two-colour condition with straight cross-overs, but interlace counts not determined.
• The tiling is edge-to-edge.
• As drawn, contains about 2161 polygons.

1. Photo by Miroslaw Majewski (Sultan Ahmed Mosque, Istanbul, Turkey. (with changes),) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• First Decagonal motif

v54