Dye, Figure K 2b and 2c

• The symmetry group of the tiling is 22* (pmg).
• All the internal angles of the constituent polygons are a multiple of 90°.
• 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 56 polygons.

1. Figure K 2b and 2c (Man-character or T-pattern, Paocheng, Shensi, 1850 AD, also Hanchung, Shensi, 1850 AD) of Daniel Sheets Dye. Chinese Lattice Designs, Dover, 1937. ISBN 048623096. [dye] {Important book topic.}

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