It looks really nice, but CPU usage is almost 100% all the time. I have a MacBook Pro M3. When I open some fancy Three.js scenes that I found on the net, I instantly profile them. Most of them are really bad in terms of performance. I don't know why.
This is usually because they are rendered in an animation loop (most three.js examples are set up like this). An example of rendering on demand only (this is even using fancy bloom post-processing): https://cybernetic.dev/helix/about