Alhambra, Patio de los Leones

The Alhambra, Patio de los Leones, wooden ceiling panel in the middle of the north gallery, over the entrance to the Sala de las Dos Hermanas.

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains two squares.
• Contains four regular two-pointed star polygons with vertex angle of 45°.
• Contains two regular four-pointed star polygons with vertex angle of 45°.
• Contains two regular 8-pointed star polygons with vertex angle of 90°.
• Contains four regular 8-pointed star polygons with vertex angle of 45°.
• There are 23 non-regular reflective tiles (including one kite and one dart).
• The tiling satisfies the interlace condition and has one finite interlace and 7 infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 613 polygons.

1. Photo by David Wade: SPA 0434x (Alhambra, Patio de los Leones, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1370-6AD, 771-7AH)

• Wade photo SPA 0434x

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