al-Otrush mosque, Aleppo

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 11.25°.
• Contains one regular octagon.
• Contains one regular 16-pointed star polygon with vertex angle of 90°.
• There are 9 non-regular reflective tiles (including 3 kites).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 547 polygons.

1. Photo by Dick Osseman (al-Otrush mosque, Aleppo, Syria) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Stars with 16 points with vertex angle not equal to 45°
• Tiling with chelates

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