Alhambra, Salon de Comares

This pattern occurs as the main ceramic mosaic dados in both of the outer window alcoves on the north wall of the Salon de Comares. With original colours.

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are two non-regular reflective tiles and one reflective pair.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 239 polygons.

1. Page 432, Figure 232 (Alhambra, Salon de Comares, Spain. North Wall) of Antonio Fernández-Puertas. The Alhambra: Volume I - from the ninth century to Yusuf I (1354), SAQI Books, 1999. ISBN 086356466. [fernandez] {Beautiful book.}(1350-4AD, 750-5AH)
2. Photo by David Wade: SPA 0117 (Alhambra, Salon de Comares, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1350-4AD, 750-5AH)
3. Page 304 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.}

• Wade photo SPA 0117

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