Holy Trinity, Leeds

• The symmetry group of the tiling is *442 (p4m).
• 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.
• As drawn, contains about 187 polygons.

1. Page 57 (bottom), photo (Holy Trinity, Leeds, West Yorkshire, UK. Built 1721, Victorian) of Robert Field. Geometric Patterns from Churches and Cathedrals, Tarquin Publications, 1996. ISBN 189961813. [field2]

Photo?

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