Motivation Recently I got interested in Blender 3D, partly inspired by infinigen project. One day I encountered Tellusim. Impressed by the quality of its rendering, I was browsing its blogs and see this. Wow, Tellusim really blowed others out of the water;others including Unreal, Unity, Omniverse and Blender. Wait, Blender is really that slow importing a USD scene? Since Blender is open-source, why not try to figure out what's going on? Here we go. First, let's profile it I cloned the latest ver...