The scheme includes three ocular windows for the dome and three for the facade which were designed from 1405-1445 by several of the most renowned artists of this period: Ghiberti, Donatello, Uccello and Andrea del Castagno.
=== Renesansa, Reformacija in klasična okna ===Verjetno je zgodnje sheme vitrajev, izdelanih v času renesanse, za katedralo v Firencah, oblikoval Lorenzo Ghiberti.