Michelangelo painted the frescoes on the ceiling of the Sistine Chapel not lying down as sometimes described but standing on an extensive scaffold, reaching up and craning his neck. Because he had never worked in fresco before, Michelangelo and his assistants worked from hundreds of his sketches to transfer outlines onto a freshly plastered surface. Once he became comfortable with the medium, however, he abandoned the sketches. To add colour, Michelangelo used the buon fresco technique, in which the artist paints quickly on wet plaster before it dries. Some scholars believe that for detailed work, such as a figure’s face, Michelangelo probably used the fresco secco technique, in which the artist paints on a dry plaster surface.
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