Dye, Figure B 15a

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one regular octagon.
• There are two non-regular reflective tiles.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 47 polygons.

1. Figure B 15a (Separated octagon-square, Buddist temple, Mount Omei, Szechwan, 1875 AD) of Daniel Sheets Dye. Chinese Lattice Designs, Dover, 1937. ISBN 048623096. [dye] {Important book topic.}
2. photo (St James's Palace, UK. Different proportions) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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