Roman mosaic, Ostie

• The symmetry group of the tiling is *22∞ (p2mm).
• All the internal angles of the constituent polygons are a multiple of 90°.
• Contains 6 squares.
• There is one non-regular reflective tile.
• The tiling is edge-to-edge.
• As drawn, contains about 329 polygons.

1. Pl 142 (f) (Ostie) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

Photo?

v54