Alcazar, Seville

• Growth dynamic build of this pattern.
• Random dynamic build of this pattern.
• Structured dynamic build of this pattern.
• Perspective view of this pattern.
• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are five non-regular reflective tiles.
• The tiling satisfies the interlace condition and has no finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 119 polygons.

1. Plate 424 (Alcazar, Seville, Spain. Tin-glazed earthenware mosaic) of Claud Humbert. Islamic Ornamental Design, Faber and Faber, 1980. ISBN 057111587. [humbert] {Useful, contains several tilings.}(15th century AD)
2. Photo by David Wade: SPA 2311 (Alcazar, Seville, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}

• Wade photo SPA 2311

• Tiling whose tile angles are a multiple of 45° and whose lengths are p+q*sqrt(2).

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