Roman mosaic, Volubilis

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains two equilateral triangles.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• Contains one regular hexagon.
• There is one non-regular reflective tile.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 109 polygons.

1. Internet photo (Edge of large mosaic) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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