Marble by World Labs

What Marble actually does well: it collapses the earliest, most tedious phase of 3D work. Instead of a multi-view capture rig or a manual blockout, you feed it a prompt, a still, a clip, or an existing 3D structure and get back a world that holds together as you move through it. That persistence is not a small thing — 3D world models are only useful if geometry and materials stay coherent across viewpoints, and Marble is built around that promise rather than around a single hero shot. The four-surface structure is sensible for the way people actually work. Explore is for browsing and remixing what the community has published — the homepage alone shows dozens of named creator accounts with world counts in the teens and twenties, so there is real volume to draw on. Create handles the four input types. Worlds is your library, with download and export. Studio is the serious surface: editing tools, the ability to stitch multiple worlds into a larger scene, and cinematic video capture. The preset taxonomy — Stylized, Realism, Interior, High Quality, Fantasy, Sci-Fi — tells you where the tuning went. Add the "Roll for marbles" randomizer and the intent is clear: this is a variety engine for ideation, not a precision instrument. High Quality is a preset you opt into, which implies the default trades fidelity for speed. Where it doesn't fit: anything that has to be dimensionally accurate, anything where you place vertices by hand, and anything that treats the handoff to Blender or Unreal as the deliverable itself. Marble is the stop before that stop. The Atlas waitlist on the page is a signal the roadmap continues, but treat it as unshipped until it isn't. A note on what we could not verify this pass: we did not reach the pricing pages, documentation, or integration listings for this run, and no third-party coverage landed in the last 90 days. Nothing here should be read as a statement about what Marble costs or what it connects to.