Solaris - Arnold for Houdini
![](https://help.autodesk.com/cloudhelp/ENU/AR-Houdini/images/image-2023-05-18-09-50-46-604.png)
Solaris is Houdini's rendering toolset based on Pixar's Universal Scene Description. Houdini to Arnold ships with the Render Delegate and the Node Registry Plugin from Arnold USD to allow using Arnold in Solaris.
Note:
Tutorials about working with Solaris and HtoA can be found here.