Explore the process of creating immersive 3D worlds using Reality Composer and integrating them into ARKit3 and RealityKit-enabled Xcode projects. Learn to convert OBJ files to USDZ format for use in Reality Composer, and follow along as the tutorial guides you through creating a new project, manipulating 3D objects, setting up scene anchors, and implementing AR views. Gain hands-on experience with ARKit 3 and RealityKit while building an interactive augmented reality scene featuring a robot in a custom 3D environment.