The Alhambra, Patio de los Leones

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains three regular two-pointed star polygons with vertex angle of 45°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains two regular 8-pointed star polygons with vertex angle of 45°.
• There are 7 non-regular reflective tiles and one reflective pair.
• The tiling satisfies the interlace condition and has one finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 267 polygons.

• Plate L (The Alhambra, Central part repeated, Mosaic Ornament in the North Side of the Patio de los Leones) of J C Murphy. The Arabian antiquities of Spain, V & A Pressmark GC 505.F.139, 1813. [murphy] {The best publication found on the Alhambra in providing high quality patterns.}

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