sentences:  Girih patterns have been used to decorate varied materials including stone screens, as at Fatehpur Sikri; plasterwork, as at mosques and madrasas such as the Hunat Hatun Complex in Kayseri; metal, as at Mosque-Madrassa of Sultan Hassan in Cairo; and in wood, as at the Mosque–Cathedral of Córdoba.The girih style of ornamentation is thought to have been inspired by 2nd century AD Syrian Roman knotwork patterns.These had curvilinear interlaced strapwork with three-fold rotational symmetry.