I’m trying to do this tutorial, but with no polaroids film, I try to put a 3D colors ball. My editing process going well until I got an issue, like the ball not placed behind the object. If you see the tutorial (Link Above), you will see the polaroids film placed behind that men and women when the camera moving in front of them. Please tell me the way to fix that, like tutorial video or anything else.
I’m so rocky and sorry for my bad english.
hope you guys help me. Thankyou.


if you want your object to move behind a person you need to mask out the part of that ball when its supposed to be behind someone. Since the footage is 2D you need to give the illusion of the balls going behind stuff. Another way to do this is to rotoscope your object and put that on the track above the colored balls.