St Marco, Venice

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one equilateral triangle.
• Contains two squares.
• There are three non-regular reflective tiles.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 285 polygons.

1. Page 106 (bottom left) (St Marco, Venice, Itlay. Marble floor, 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.

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