3DKeyingComposure 3DKeying implementation in UE4.26 composure Run Editor Utility https://www.youtube.com/watch?v=mBVSk56QvW4 Sponge and Cleanup works similar to this workflow http://www.fxalley.com/client/Red%20Giant%20All%20Suite%20for%20Adobe%20CS6%20Win/KSuite_Win_Full/Documentation/Primatte%20Keyer%205/Source_Files/howworks.html