If you want to find green background video about paper fold/unfold to create transitions, create interesting effects for products, etc... this is things you need.

18 high quality stop motion green background videos for you to choose and use (with sound inluded)

Enjoy!

Watch this video tutorial walkthrough to learn how to make the effect:

Link download Project file(AE file - After Effects) in here:

https://huonggiang2024.gumroad.com/l/unfoldpapereffect