Download and Installation

Arnold, KtoA, and other downloads are available here.  Installation instructions come with KtoA, but can also be viewed here: Installation.


  • Arnold: 4.2.16+
  • Katana: 2.1v5+, 2.5v4+
  • Platforms:
    • Linux: x86-64, RHEL 6+ or compatible glibc
    • Windows: 7+ on x86-64, with VC++ 2015 redistributable installed


  • Improved flexibility for XGen procedurals: ArnoldXGen can now handle variations in directory layout for MtoA. It also does a better job finding Alembic geometry files associated with an XGen project. Finally, it now allows customizing the naming scheme of child locations via some tags, so that the super-long location names aren't required if most of the parts of them are redundant. (#156)


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