steps
Build your blender scene with animations etc. and export as GLB (don't worry about camera, lights and baisc materials... these can be built with AI coding those)
Upload your GLB to github or somewhere on the web you can work wit it temporarily until you're ready to put it on-chain.
Use the Babylon JS Playground template to load your GLB into playground.babylonjs.com
Use AI (grok is my favorite) to build out the scene the way you want... provide it your reference code, starting with the 'export scene' part. Go back and forth until perfected.
After perfected, it's time to put it all on-chain. You'll have ~2 files to put on chain... the GLB model and the HTML... that's it.