Hessemer, page 106 (top right)

• The symmetry group of the tiling is ** (pm).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two squares.
• There is one non-regular reflective tile and one reflective pair.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 132 polygons.

• Page 106 (top right) (Marble floor, St Marco, Venice, 11th-17th centuries) of F M Hessemer. Historic Designs and Patterns in Color, Dover, about 1840. ISBN 048626425. [hessemer] {This collection is unusual in giving the source for almost all the patterns.}

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