Dye, Figure D 4a

• The symmetry group of the tiling is *2.0• (d2.0).
• All the internal angles of the constituent polygons are a multiple of 90°.
• Contains one square.
• There are four non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 169 polygons.

1. Figure D 4a (Concentered Frames, Kwangyuan-Paoning road, Szechwan, 1800 AD) of Daniel Sheets Dye. Chinese Lattice Designs, Dover, 1937. ISBN 048623096. [dye] {Important book topic.}

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