sentences:  As E. Makovicky argues,
  
  The Topkapı Scroll, from the late 15th century, documents the use of girih tiles to create girih patterns.The drawings in this pattern book show the girih lines superimposed on the tiles used to generate the pattern, making the construction fully evident.Once a repeating pattern has been constructed, regardless of the method used, the pattern can be recreated by copying a repeating unit of it, like the pattern of a wallpaper, as a paper template.