Roman mosaic, Sainte-Colombe

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one square.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• There are three non-regular reflective tiles (including one dart).
• The tiling satisfies the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 313 polygons.

1. Pl 202 (f) (Sainte-Colombe) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

Photo?

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