How did Giotto make figures appear solid and weighty?

Giotto achieved the appearance of solid, weighty figures by moving away from the flat, stylized conventions of his predecessors and contemporaries. His approach relied on several key techniques:1

• Structural Simplicity: Giotto focused on creating dominating, simple, and severe figures that prioritized narrative power and physical presence over excessive detail.21
• Modeling with Light: Like other late 13th-century painters, Giotto utilized light to model his figures, which helped define their volume and three-dimensional form.3
• Psychological Immediacy: By depicting figures with expressive gestures, varied postures, and distinct facial responses to emotion, he gave his subjects a sense of human reality and weight that made them appear to occupy actual space.13
• Spatial Coherence: He placed these figures within settings—whether architectural or landscape—that were designed to enclose them convincingly, providing a clear, concentrated composition that enhanced the physical coherence of the scene.13

Through these innovations, Giotto transformed the pictorial style of his time, creating a foundation for the naturalism that would later define the Renaissance.41