Roman mosaic, Gloucester

For the version without interlacing, see Roman Mosaic, Gloucester.

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one regular two-pointed star polygon with vertex angle of 45°.
• Contains three regular octagons.
• There are one non-regular reflective pairs and no tiles with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 256 polygons.

1. Fig 11.12c of Brian Wichmann and David Wade. Islamic Design: a Mathematical Approach, Springer, 2017. ISBN 978-3-319-69. [ww] {}
2. Page 86, Figure 22 (Mosaic from Gloucester, colouring not known, with interlacing) of D S Neal. Roman mosaics in Britain, Society for the Promotion of Roman studies, 1981. ISBN 090776414. [neal] {Beautiful publication.}
3. Pl 178 (b) (Timgad) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

• Tilings with coloured interlacing

Photo?

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