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======== USD Home

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      |usdlogo| :usdtitletext:`Universal Scene Description`

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:fa:caret-right USD is a high-performance extensible software platform for collaboratively constructing animated 3D scenes, designed to meet the needs of large-scale film and visual effects production.

:fa:caret-right USD enables robust interchange between digital content creation tools with its expanding set of schemas, covering domains like geometry, shading, lighting, and physics.

:fa:caret-right USD's unique composition ability provides rich and varied ways to combine assets into larger assemblies, enables collaborative workflows so that many creators can work together with ease, and more.

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  :fa:`power-off` Get Started
  ^^^^^^^^^^^
  - :doc:`intro`
  - `USD Basics in an Hour(ish) (PDF) <https://openusd.org/files/USD_Quickstart_Guide.pdf>`__      
  - :doc:`Tutorials <tut_usd_tutorials>`
  - :doc:`FAQ <usdfaq>`
  - :doc:`Toolset <toolset>`      

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  :fa:`download` Download
  ^^^^^^^^
  - `Get and Build USD <https://github.com/PixarAnimationStudios/OpenUSD/blob/release/README.md#getting-and-building-the-code>`_
  - Source: `Release <https://github.com/PixarAnimationStudios/OpenUSD/tree/release>`_ (`Changes <https://github.com/PixarAnimationStudios/OpenUSD/blob/release/CHANGELOG.md#change-log>`__)
  - Source: `Dev <https://github.com/PixarAnimationStudios/OpenUSD/tree/dev>`_ (`Changes <https://github.com/PixarAnimationStudios/OpenUSD/blob/dev/CHANGELOG.md#change-log>`__)
  - :ref:`Demo Assets <dl_downloads:Assets>`

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  :fa:`book` Learn
  ^^^^^^^^^^^^^
  - `Learning Content on the USD Working Group Wiki <https://wiki.aswf.io/display/WGUSD/Learning+Content>`_
  - :doc:`Terms and Concepts <glossary>`
  - `API Documentation <api/index.html>`_
  - `OpenUSD Forum <https://forum.openusd.org>`_
  - :doc:`Specifications <spec>`
  - :doc:`Proposals <wp>`