I Built an AI 3D Model Generator — Here's How I Handle Meshes in the Browser

I shipped www.imgto3d.ai a few months ago. It's an AI-powered 3D model generator : you upload an image, pick a generator (upscale, denoise, face recovery, or full restoration), and get back a .glb file you can drop into Blender, Unity, or straight into a web page. The AI backend part — calling Replicate, polling for results, handling credits — was straightforward. The part that actually made me lose sleep? Getting those generated 3D assets to render smoothly inside a Next.js app without turning