Istanbul

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 21 regular two-pointed star polygons with vertex angle of 72°.
• Contains 19 regular pentagons.
• Contains two regular 10-pointed star polygons with vertex angle of 72°.
• There are 13 non-regular reflective tiles.
• The tiling satisfies the interlace condition and has three finite interlaces and three infinite interlaces.
• The tiling is edge-to-edge.
• As drawn, contains about 1023 polygons.

• Photo by Dick Osseman of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

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