I’m currently working on a library called AUD that lets you export files that are compatible with Pixar’s USD format. The resulting files can be used anywhere you would use USD, and is supported by ModelIO if you’re planning to make AR apps for example.
The Blender Exporter currently only supports static meshes, but the library supports animation, variants, references and more. I expect to add more to the Blender exporter over time.
The AUD library is self contained and requires no extra dependencies, or anything to be compiled. It can be built based on the schemas from USD’s source code, but requires only stock Python to work.
I have my first release here:
I am welcoming any contributions here: