The Arnold for Cinema 4D User Guide explains how to use the C4DtoA plugin and how to work with Arnold in the Cinema 4D user interface. The Arnold User Guide is the full documentation for all Arnold nodes and settings. For example, the Arnold User Guide contains the full documentation for the standard_surface shader. The Arnold for Cinema 4D User Guide covers how to use that shader in the Cinema 4D user interface.

Make sure to check the release notes for the latest Arnold features. Ensure that you are using the latest version of the plugin.

Arnold Forums are reputation-based forums where Arnold users of all kinds can ask their colleagues and peers questions related to Arnold.