 Girih (, "knot"), also girih sāzī (, "knot making") or girih chīnī (), is an Islamic decorative art form used in architecture and handicrafts (book covers, tapestry, small metal objects), consisting of geometric lines that form an interlaced strapwork.In Iranian architecture, "gereh sazi" patterns were seen in banna'i brickwork, stucco, and mosaic faience work.Girih has been defined as "geometric (often star-and-polygon) designs composed upon or generated from arrays of points from which construction lines radiate and at which they intersect.