Sistine Chapel ceiling how the work progressed. It was customary for fresco painters to use a full-sized detailed drawing, a "cartoon", to transfer a design onto a plaster surface—many frescoes show little holes made with a stiletto, outlining the figures. Here Michelangelo broke with convention; once confident the "intonaco" had been well applied, he drew directly onto the ceiling. His energetic sweeping outlines can be seen scraped into some of the surfaces, while on others a grid is evident, indicating that he enlarged directly onto the ceiling from a small drawing. Michelangelo painted onto the damp plaster using a wash technique to apply
Descent from Mount Sinai (Sistine Chapel) it: the position of some of them, painted from behind, was usually used for negative characters, such as Judas Iscariot in the "Last Supper". Once seeing that, Moses, in the center, gets angry and breaks the Tables on the ground. On the right background is the punishment of the idolatrous and the receiving of the new Tables. Joshua, in the blue and yellow, appears with Moses. Descent from Mount Sinai (Sistine Chapel) The Descent from Mount Sinai is a fresco by the Italian Renaissance painter Cosimo Rosselli and his assistants, executed in 1481–1482 and located in the Sistine Chapel, Rome.