Alhambra, Stained glass window of the courtyard of the Patio de los Arrayanes

A closer representation of this pattern is Alhambra, Stained glass window of the courtyard of the Alberca.

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains 6 regular two-pointed star polygons with vertex angle of 45°.
• Contains two regular 8-pointed star polygons with vertex angle of 45°.
• There are five non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has three finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 303 polygons.

1. Plate 45 (Alhambra, Patio de los Arrayanes, Spain. Stained glass window of the courtyard) of J Collin. Étude pratique de la décoration polygonale arabe, Paris, 1911. ISBN . [collin] {}

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