Pixar's Universal Scene Description (USD) Core Python Library

Pixar's Universal Scene Description (USD) is a robust system designed for scalably encoding and interchanging static and time-sampled 3D geometry, shading, and lighting data across various Digital Content Creation applications. The `usd-core` package, available on PyPI, provides the fundamental Python bindings for authoring, composing, and reading USD data. It is actively maintained by Pixar Animation Studios, with new versions typically released every 3-4 months. The current version is 26.3, continuously evolving the OpenUSD ecosystem.