Alhambra, Patio de los Arrayanes

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 7.5°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains four regular 12-pointed star polygons with vertex angle of 60°.
• There are 11 non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has no finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 557 polygons.

1. Photo from Nick Crossling (Spain) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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