John Rigby's photo no 51

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one square.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There is one non-regular reflective tile 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 111 polygons.

• Andalucia photograph (No colour in the original, Alhambra) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

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