Tiling with digons and squares, case b

• The symmetry group of the tiling is 22* (pmg).
• All the internal angles of the constituent polygons are a multiple of 18°.
• Contains two squares.
• Contains two regular two-pointed star polygons with vertex angle of 18°.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 35 polygons.

• Uniform Star Polygons with Digons (Alternating diamonds) of B A Wichmann. The World of Patterns, World Scientific, 2001. ISBN 981024619. [wich2] {Only new patterns ascribed to this.}

• Tiling whose angles are a multiple of 18°

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