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# Q100244: Arnold for Katana

Warning: This article contains links to external websites

#### SUMMARY

This article explains where to find information about downloading and installing the Arnold renderer and plug-in for Katana.

#### MORE INFORMATION

The Arnold renderer and the Arnold for Katana (KtoA) renderer plug-in are provided by Solid Angle and are available for download from their website:
https://www.solidangle.com/arnold/arnold-for-katana/

KtoA includes a full installation of Arnold, so there is no need to install any additional components.

You will need to obtain your own Arnold license in order to use the renderer.

INSTALLATION AND SETUP
The user manual that provides installation instructions can be found here:
https://support.solidangle.com/display/KTN/Getting+Started

After installing Arnold for Katana, some environment variables will need to be set to ensure that Katana can correctly load and use the KtoA plug-in. Please refer to the environment variables specified in the following user guide: https://support.solidangle.com/display/KTN/Installation

NOTE: You can find an example launcher script to set the necessary environment variables on Windows, including the Arnold-specific ones, in the following article: Q100242: Creating a Katana launcher script for Windows.

An example launcher script for Linux can be found here: Q100272: Creating a Katana launcher script for Linux.