Seville tile, V & A

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 7.5°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 8 non-regular reflective tiles and one reflective pair.
• The tiling satisfies the interlace condition and has four finite interlaces and no infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 363 polygons.

• Page 327, Early 14/15th century (Colour as in the original, V&A 1005:57 to 72-1884) of Anthony Ray. Spanish pottery, 1248-1898, London : V&A Publications, 2000. ISBN 185177291. [ray] {418 pages, colour and black and white}

• V&A record tile-panel

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