(3.18^*_2π/9.3.3^**_2π/9;3.3.18^*_2π/9.3.3^*_2π/9.3.18^*_2π/9)

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 20°.
• Contains three equilateral triangles.
• Contains one regular three-pointed star polygon with vertex angle of 40°.
• Contains one regular 18-pointed star polygon with vertex angle of 40°.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 455 polygons.

1. Figure 22 of Joseph S. Myers. 2-uniform tilings ..., www.polyomino.org.uk, 2009. [myers2] Available on Internet.

• Two-uniform tilings with regular polygons and star polygons
• Tilings not constructible by straightedge and compass

Photo?

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