Charbagh Madrasah, Isfahan

For the mirror image, see Roman mosaic, Thuburbo Majus.

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 90°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 80 polygons.

1. Page 43 of Volume 5 (Charbagh Madrasah, Isfahan, Iran) 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} Available on Internet.(1122AD, 515AH)
2. Drawing H12 (Nishapur, Iran) of Charles Kyrle Wilkinson. Nishapur: pottery of the early Islamic period, New York, 1973. ISBN 087099076. [wilkinson] {394p}

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