During the late Gothic period very large ocular windows were common in Italy, being used in preference to traceried windows and being filled with elaborate pictures in stained glass designed by the most accomplished Late Medieval and Early Renaissance designers including Duccio, Donatello, Uccello and Ghiberti.[3][4] Wheel Windows: These windows had a simple tracery of spokes radiating either from a central boss or from a central roundel. Popular during the Romanesque period and Gothic Italy, they are found across Europe but particularly Germany and Italy.[5] They also occur in Romanesque Revival buildings of the 19th and 20th centuries. Plate Tracery: Rose windows with pierced openings rather than tracery occur in the transition between Romanesque and Gothic, particularly in France and most notably at Chartres.