The Alhambra, Patio de los Leones, west wall

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two regular 8-pointed star polygons with vertex angle of 90°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 89 polygons.

• Page 367 from [abas]
• Pages 11 and 55 (Lion Courtyard) from [cahier]
• Plate 16, Figure 26 (Telmont Castle, Morocco) from [elsaid]
• Vol 1, page 183 (/5) and page 430 (Zalijs perfected at Rabat, Royal Palace) from [paccard]

• Wade photo SPA 0218
• Wade photo SPA 2803

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