Marble: AI 3D World Maker

Blackcell AI

In-app purchases

About this app

Marble builds a 3D world from a single photo or a short line of text, then lets you move through it like a real place. Point it at a snapshot of a beach, type a sentence about a quiet mountain town, and a few seconds later you are standing inside it, free to look around.

The idea is simple. You describe a place or upload an image, Marble works out the space behind it, and you get a scene you can pan, orbit and step into. There is no modeling software to learn, no headset to buy, and none of the usual friction that comes with making anything in 3D.

People reach for it in very different ways. Some rebuild places they remember and want to visit again. Some block out imaginary settings for a story, a game or a mood board. Others just like watching an ordinary photo turn into somewhere they can actually explore. It handles calm landscapes, dreamlike scenery, fantasy settings and sci fi environments with the same ease.

Every world you make stays yours. Keep the ones you love, open them again whenever you want, and send a scene to a friend so they can wander through it on their own.

If you have ever wanted to step inside a picture instead of only looking at it, that is the whole point of Marble. Start with one photo or one sentence, and see where it takes you.