Roman mosaic, Ostie

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 60°.
• Contains two equilateral triangles.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• Contains two regular hexagons.
• The tiling satisfies the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 387 polygons.

1. Pl 207 (a) (Ostie) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

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