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 (including 2 kites) and one reflective pair.
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 451 polygons.

1. 1005:57 to 72-1884 (Seville, Spain. Tiles, tin-glazed earthenware) of V&A collections website. Website: collections.vam.ac.uk, UK, 2015. [vami] {Website}(1300-1500AD, 699-905AH)
2. Page 327, Early 14/15th century (Colour as in the original) 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

v54