.usd
USD sceneUniversal Scene Description
Pixar’s open scene framework, released as open source in 2016. A .usd file can be text or binary and can layer and reference other files to build very large scenes.
Film and animation pipelines, and big scenes shared between Houdini, Maya and Blender.
Opens in Blender, Houdini, Maya, usdview, NVIDIA Omniverse
About USD files.3mf
3MF model3D Manufacturing Format
A ZIP-based 3D printing format from the 3MF Consortium, founded in 2015 by Microsoft and others. Unlike STL it keeps units, colours, materials and several objects, and can carry print settings.
Ready-to-print projects with colours, multiple parts and printer settings.
Opens in PrusaSlicer, Bambu Studio, Cura, Windows 3D Builder
About 3MF files