Roman mosaic, Lyon

• The symmetry group of the tiling is ** (pm).
• 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 416 polygons.

1. Pl 138 (f) (Lyon) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

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