Lindisfarne Gospel, pattern 1 from folio 2b

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two squares.
• There are five non-regular reflective tiles.
• The tiling satisfies the interlace condition and has 8 finite interlaces and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 336 polygons.

1. Page 34 of J Backhouse. The Lindisfarne Gospels, Phaidon press, 1981. ISBN 071482461. [backhouse] {A few Celtic patterns in colour.} Fuller version available on Internet.
2. Pattern 1 from folio 2b of J Backhouse. The Lindisfarne Gospels, Phaidon press, 1981. ISBN 071482461. [backhouse] {A few Celtic patterns in colour.} Fuller version available on Internet.

• Tiling whose tile angles are a multiple of 45° and whose lengths are p+q*sqrt(2).

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