Roman mosaic, Cherchel

• The symmetry group of the tiling is 2222 (p2).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 51 polygons.

1. Pl 161 (d) (Cherchel) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

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