Alhambra, Torre de la Cautiva

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 2.5°.
• Contains two regular 8-pointed star polygons with vertex angle of 90°.
• There are 7 non-regular reflective tiles (including 2 kites).
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 301 polygons.

1. Photo by David Wade: SPA 0610 (Alhambra, Torre de la Cautiva, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1354-62AD, 755-63AH)
2. Plate 3 (a) (Alhambra, Torre de la Cautiva, Spain) of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1995. ISBN 981021704. [abas] {Very many patterns in black and white, no sources given.}(1354-62AD, 755-63AH)

• Wade photo SPA 0610

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