Donatello, Michelangelo, Cellini: Sculptors' Drawings from Renaissance Italy (Isabella Stewart Gardner Museum, Boston)The self portrait of Baccio Bandinelli in the Isabella Stewart Gardner Museum, Boston, shows the sculptor pointing not to a work of marble or bronze, but to a drawing. Bandinelli was particularly proud of his skills as a draftsman, and he was prolific in his production of works on paper. This set him apart from contemporaries in his profession; many Renaissance sculptors left us no drawings at all. Accompanying an exhibition at the Gardner Museum,