Decagonal and Quasicrystalline Tilings in Medieval Islamic Architecture

Decagonal and Quasicrystalline Tilings in Medieval Islamic Architecture | peterlu.org

The conventional view holds that girih (geometric star-and-polygon) patterns in medieval Islamic architecture were conceived by their designers as a network of zigzagging lines, where the lines were drafted directly with a straightedge and a compass. We show that by 1200 C.E.

Girih tiles

Girih tiles – Wikipedia

Girih tiles are a set of five tiles that were used in the creation of Islamic geometric patterns using strapwork ( girih) for decoration of buildings in Islamic architecture. They have been used since about the year 1200 and their arrangements found significant improvement starting with the Darb-i Imam shrine in Isfahan in Iran built in 1453.