Amar Singh Gate, Red Fort

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• There is one non-regular reflective tile (including one kite).
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 139 polygons.

1. Page 259 (Amar Singh Gate, Red Fort, Agra, India) from [degeorge2] (17th century AD)
2. Page 177 from [abas]
3. Page 31 from [wade]
4. Photo by David Wade: TRA 0229 (Shah-i-Zinda, Samarkand, Central Asia) from [wadei]
5. Vol2, page 24 (Tomb of Sultan Ata Bakhsh, Kashan, Iran) from [iran]
6. Vol2, page 28 (Tabrizis' mosque, Kashan, Iran) from [iran]

• Wade photo TRA 0229

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