Shiraz - Bagh-e Delgosha

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 15°.
• Contains one equilateral triangle.
• Contains one square.
• Contains one regular 12-pointed star polygon with vertex angle of 90°.
• There are three non-regular reflective tiles.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 317 polygons.

• Vol 5, page 85, roundel (Shiraz - Bagh-e Delgosha) of Mahmood Maher al-Naqsh. Design and execution of drawing in Iranian tilework, Islamic period, Reza Abbasi Museum, 1983. [iran] {Good collection of Iranian patterns, text in Persian}

• Tiling with star polygons with 12 points whose vertex angle is 90°

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