John Rigby's photo no 26

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 1.5°.
• Contains one regular two-pointed star polygon with vertex angle of 78°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• Contains one regular 20-pointed star polygon with vertex angle of 36°.
• There are 8 non-regular reflective tiles and one reflective pair.
• The tiling satisfies the interlace condition and has two finite interlaces and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 389 polygons.

• Plates 202b, 203a (Toledo, Convent of S. Domingo) from [pavon]
• Plate 149a and d (front of alter, floor tiles) (Salamanca, Catedral Nueva) from [pavon]
• From Andalucia photograph (Modern tiling at Alhambra Palace Hotel, Colour from the original) from [pc]

• V&A record tile

• Large stars

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