How did ancient Egyptian artists prepare and paint tomb walls?

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Ancient Egyptian artists utilized a systematic approach to decorate tomb walls, with their methods often revealed in unfinished scenes. The preparation and painting process generally followed these steps:1

  • Surface Preparation: Mural decorations were typically applied to mud brick or poor-quality stone using paint, while high-quality stone walls were often decorated with relief carvings. These reliefs were frequently painted after the carving was finished.1
  • Layout and Guidelines: Artists marked out the walls using red guidelines. A grid system was commonly employed to ensure the correct proportions of major human figures, and sometimes for minor ones as well.1
  • Outlining: Preliminary outlines were corrected and finalized in black.1
  • Painting Technique: Ancient Egyptian wall painting was a form of fresco secco (dry fresco), where artists applied pigments to already dried plaster. Because the paint was applied to a dry surface, it required a binding medium—such as egg, oil, gum, or glue—to ensure the pigments adhered to the wall.2
  • Pigments: The paints were typically applied in tempera, using pigments that were primarily mineral-based.1