According to drfeifei on X, World Labs' Marble can convert a single image into a large, explorable 3D environment made of millions of point splats, ranging from ancient ruins to spaceship interiors. As reported by World Labs on X, Marble scales image-to-world generation into navigable scenes, indicating practical uses for rapid prototyping in game development, virtual production, and immersive training. According to the original post by World Labs, the splat-based pipeline suggests lower asset creation time and potentially reduced costs for level design, while enabling procedural expansion of environments. As cited by drfeifei referencing World Labs, this approach could accelerate digital twin creation, simulation sandboxing, and AR scene anchoring, opening partnerships for engine integrations, cloud rendering services, and creator tools marketplaces.