Madar-i Shah madrasa, Isfahan

• The tiling has no symmetry group and hence is not a repeat pattern.
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 58 regular pentagons.
• Contains 8 regular 10-pointed star polygons with vertex angle of 108°.
• There are three non-regular reflective tiles.
• The tiling is edge-to-edge.
• As drawn, contains about 186 polygons.

• Vol 4, page 151 (Non-repeating motif, base of a minaret) 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}

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