This video demonstrates an older of version my render pass tool for 3D Studio Max. As of version 2.0 we have a smaller and simpler UI as well as a few bug fixes. As of version 3.0 I added the ability to store any of the passes to State Sets so they can be stored and edited with your scene files.
It can be download from:
https://apps.exchange.autodesk.com/3DSMAX/en/Detail/Index?id=appstore.exchange.autodesk.com%3arenderpassesandstatesetstool_windows32and64%3aen
