St Mark's, Venice

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains five squares.
• There are two non-regular reflective tiles.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 223 polygons.

1. Figure 82 (Samarra, Iraq. Berlin, Staatliche Museen) of Richard Ettinghausen, et al. Islamic art and architecture 650-1250, Yale Press, 2001. ISBN 030008867. [etting] {}(800-900AD, 183-286AH)
2. Page 106 (top left) (Marble floor, St Marco, Venice, Italy. 11th-17th centuries) of F M Hessemer. Historic Designs and Patterns in Color, Dover, a1840. ISBN 048626425. [hessemer] {This collection is unusual in giving the source for almost all the patterns.} Available on Internet.
3. Plate XXX(6) (Byzantine ornament, St Mark's, Venice, Italy. Marble Pavement) of Owen Jones. The Grammar of Ornament, Dover, 1856. ISBN 048625463. [jones] {Excellent book with 100 colour plates, with many containing several tiling patterns.} Fuller version available on Internet.

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