San Loremco Fuori, Rome

• The symmetry group of the tiling is *X (cm).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are three non-regular reflective tiles.
• The tiling satisfies the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 405 polygons.

1. Figure 3-19b (Cosmatesque mosaic, Rome, Italy) from [pajares]
2. Page 6 (top left) from [cahier]
3. Plate 54 from [racinet]
4. Plate XXX (9) (Byzantine ornament San Loremco Fuori, Rome.) from [jones]
5. page 74 (St Maria Maggiore, Rome, Italy. With slightly different colours, 431-1750) from [hessemer]

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