Paul Henschel (online as 0xca0a) is a German developer and the creator of React Three Fiber, react-spring, Drei, Zustand, and a long list of other widely-used libraries in the modern React ecosystem. He is part of the Poimandres open-source collective and one of the most influential figures in React-based 3D and animation work.
His CourseFlix listing carries Build Fancy Landing Pages with React and Three.js. Material is paid and aimed at React developers building 3D / interactive landing pages with React Three Fiber.
