Dye, Figure N 4c

• The symmetry group of the tiling is *X (cm).
• All the internal angles of the constituent polygons are a multiple of 60°.
• There are one non-regular reflective pairs and no tiles with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 52 polygons.

1. Figure N 4c (Voided Waves. Chengtu, Szechwan, 1800 AD) of Daniel Sheets Dye. Chinese Lattice Designs, Dover, 1937. ISBN 048623096. [dye] {Important book topic.}

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