Derived from 4**4 with digons added

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 18°.
• Contains one regular two-pointed star polygon with vertex angle of 36°.
• Contains one regular four-pointed star polygon with vertex angle of 54°.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 79 polygons.

• Uniform Star Polygons with Digons from [wich2]
• Derived from figure 4^4 from [gands]
• Page 34(c) from [wade]
• Page 60 (top) from [cahier]

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• Tiling whose angles are a multiple of 18°

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