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Patterns in this class have approximate geometry with only a few properties defined which are listed below.
- The symmetry group of the tiling is *5.0• (d5.0).
- Contains two equilateral triangles.
- Contains at least one "regular" five-pointed star polygon.
- The tiling satisfies the two-colour condition.
- The tiling is edge-to-edge.
- Photo by Richard Henry (Syrian Roundel, probably from Azem Palace) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]