In this capacity, he made copies of famous works, in particular some frescoes by Raphael in the Vatican Loggie, intended for reproduction as Gobelins tapestries. The period he then spent in Lombardy helped to complete his training.
He replicated notable works, such as some frescoes by Raphael in the Vatican Loggie, to be used as Gobelins tapestries. His time in Lombardy was instrumental in completing his education.