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
Restoration of the Sistine Chapel frescoes out of the gloom above the lunette of Jesse. Arguimbau says: Richard Serrin, in an essay entitled "Lies and Misdemeanors: Gianluigi Colalucci's Sistine Chapel Revisited" says: Carlo Pietrangeli, former Director General of the Vatican Museums, writes of the restoration: "It is like opening a window in a dark room and seeing it flooded with light." His words resonate with those of Giorgio Vasari who, in the 16th century, said of the Sistine Chapel ceiling: Pietrangeli, in his foreword to "The Sistine Chapel", written after the restoration of the lunettes, but prior to the restoration of the ceiling, commends those who