React Three Fiber lighting Check installed Three.js, Fiber, and Drei versions and the renderer first. This example targets Fiber 9 / React 19, Three.js r185, and WebGL. Start with a deliberate lighting setup - Use environment lighting for PBR reflections/fill and direct lights for direction and real-time shadowing. More ambient light will not restore missing metallic reflections. - A scene background and serve different purposes. Drei assigns lighting; additionally makes it visible behind the scene. - Prefer an owned HDR/EXR asset in production. Drei presets are useful for prototyping but dep…