Roman mosaic, Ouzouer-sur-Trezee

• The symmetry group of the tiling is 22* (pmg).
• 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 not edge-to-edge.
• As drawn, contains about 136 polygons.

1. Figure 3-18b (Colours unknown) of Paloma Pajares-Ayuela. Cosmatesque ornament: flat polychrome geometric patterns..., Thames and Hudson, 2002. ISBN 050051075. [pajares] {London}
2. Pl 197 (f) (Ouzouer-sur-Trezee) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

Photo?

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