This is a game changer for me. I’ll show you the brand new Cryptomatte feature in Otoy Octane 2018+. With it you can say goodbye to long set ups and long render times using object layer IDs (object buffers in Octane). Now, without expensive render additions, you can switch on a couple of check boxes and bring over all of your objects and material mattes into After Effects with Cryptomattes. It’s epic! I’ll demonstrate this using Cinema 4D and After Effects, but the features are available in other apps that use Octane. You will need this free plugin for AE: