Milton Abbey, Dorset

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains three squares.
• There is one non-regular reflective tile.
• The tiling satisfies the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 317 polygons.

1. Page 56 (top), photo (Milton Abbey, Dorset, UK. Victorian) of Robert Field. Geometric Patterns from Churches and Cathedrals, Tarquin Publications, 1996. ISBN 189961813. [field2]

Photo?

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