Toledo: side of copper casket

• The symmetry group of the tiling is *22∞ (p2mm).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains one square.
• Contains one regular four-pointed star polygon with vertex angle of 45°.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• Contains one regular 8-pointed star polygon with vertex angle of 45°.
• There are 11 non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 183 polygons.

1. Plate 50 (Toledo, Spain. Side of copper casket) of J Collin. Étude pratique de la décoration polygonale arabe, Paris, 1911. ISBN . [collin] {}

• Wade photo EPC 050

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