Roman mosaic, Athens

The proportions of each version are different - this is drawn from Cahier.

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are two non-regular reflective tiles.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 178 polygons.

1. Page 57 (bottom) of Charles Cahier and Arthur Martin. 376 Decorative Allover Patterns from Historic Tilework and Textiles, Dover, 1868. ISBN 048626146. [cahier]
2. Pl 128 (b) (Athens, Deltion 16, 1960, pl 29) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

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