I'd say if it's proof of concept just to follow the process that Nanite does, then other optimizations are out of scope. However if it's supposed to achieve the

I'd say if it's proof of concept just to follow the process that Nanite does, then other optimizations are out of scope. However if it's supposed to achieve the same GOAL as Nanite, which I think is provide rich detail at reasonable frame rate then 1) add mode with full LOD to compare performance gains & visual impact 2) do low hanging fruit kind of optimizations as well to match whatever Unreal probably does as well.