Roman mosaic, Tebessa

The version from Tebessa is heavily ornamented.

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 90°.
• Contains two squares.
• There is one non-regular reflective tile.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• The tiling satisfies the two-polygon condition.
• As drawn, contains about 47 polygons.

1. Page 105, top panel (Shir Dar madrasah, Samarkand, Central Asia. Facade) from [scerrato] (1619-36AD, 1028-45AH)
2. Figure 10, top centre, page 7 from [gands]
3. Figure I.10.2 from [gands]
4. Figure K 9b and Figure K 10a (Opposed windwheels, Residence, Chengtu, Szechwan, 1875 AD) from [dye]
5. PP Class 72, [p4g,c4,d2], IH Class 73 from [dawes]
6. Pl 140 (b) (Tebessa) from [balmelle]

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