It is a using custom renderer indeed: https://github.com/pmndrs/react-three-fiber https://github.com/pmndrs/react-three-fiber it doesn't wrap Threejs, just expr

It is a using custom renderer indeed: https://github.com/pmndrs/react-three-fiber https://github.com/pmndrs/react-three-fiber it doesn't wrap Threejs, just expresses it via JSX similar to how react-dom expresses the dom.