Masjid-e-Sayyed, Isfahan

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one regular four-pointed star polygon with vertex angle of 60° - composed of kites.
• Contains one regular 6-pointed star polygon with vertex angle of 90° - composed of kites.
• There are five non-regular reflective tiles (including 3 kites).
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 345 polygons.

1. Photo by David Wade: IRA 1529 (Masjid-e-Sayyed, Isfahan, Iran) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1840AD, 1256AH)
2. Figure 12 (Chehel Sotoun Palace, Isfahan, Iran) of Roberto Orazi. Grate lignee nell'architettura safavide, Roma : IsMEO, 1976. [orazi] {pp245}
3. Photo from David Wade (Lower lattices, repeated by both reflection and translation) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Wade photo IRA 1529

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