How I built a consistent Airbnb-style 3D icon system with ChatGPT JSON (Part 2)
The JSON style engine that locks AI renders into one visual family: subject in, sibling out.
Part 1 was the why. This is the how.
The how is a JSON file. Instead of re-describing the style in every prompt and hoping the model cooperates, I wrote it down once: camera angle, lighting rig, materials, color palette, all locked. The only thing that changes between renders is the subject.
That one move changes the workflow. Prompting an image model usually feels like rolling dice: sometimes you get the shot, mostly you don't. With the style locked in JSON, generation stops being a dice roll and starts behaving like a pipeline.
And the output passes the family test: line the icons up and they read as siblings. Not identical. Siblings. Different subjects, same world.
The full article has the actual JSON script, plus how to hand it to ChatGPT so it learns the system before it renders anything. Read the full piece on Medium →