Grafton, Plate 11B

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two squares.
• There is one non-regular reflective tile.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 200 polygons.

1. Plate 11B (bottom) of Carol Belanger Grafton. Decorative Tile Designs in full Color, Dover, 1992. [grafton] {92 High quality colour plates; dated 1870-1930.}

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