Dye, Figure B 13b

• 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 is one non-regular reflective tile and one reflective pair.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 74 polygons.

1. Figure B 13b (Compound octagon-square design, Chengtu, Szechwan, 1825 AD) of Daniel Sheets Dye. Chinese Lattice Designs, Dover, 1937. ISBN 048623096. [dye] {Important book topic.}

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