Alhambra, Partal

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains two regular 8-pointed star polygons with vertex angle of 90°.
• There are 8 non-regular reflective tiles (including one kite and one dart).
• The tiling satisfies the interlace condition and has three finite interlaces and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 311 polygons.

1. Photo by David Wade: SPA 0807 (Alhambra, Torre de las Damas, Spain) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1302-9AD, 701-8AH)

• Wade photo SPA 0807

• Tilings with coloured interlacing

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