Purchasing a license of Mental Ray will also unlock the Iray mode, giving both plugins in one single product. The new release delivers this functionality back into the hands of users. However, while the standalone version is free to download users will need to purchase commercial licenses in order to render out sequences on single or networked machines.įollowing Autodesk’s decision to replace Mental Ray with Arnold as its bundled renderer legacy scenes were no longer compatible with out of the box 3ds Max. Promising full backwards compatibility the plugin restores users’ ability to work with legacy scenes and render across networked farms.