Minaret, Yakutiye madrasa, Erzerum

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There is one non-regular reflective tile.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 76 polygons.

1. Photo by Bernard O'Kane (Yakutiye madrasah, Erzerum, Turkey. Minaret) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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