The Magic Screen is a Material-based “trick” which allows you to display 3D objects as seen through a window (ideally through a 3D plane). The objects will be shown only when looked at through this window. The purpose of this Magic Screen is to create a 3D environment which can be experienced within another 3D environment.
It is possible to find the Magic Screen inside of a github repository which may hopefully grow in the future with other fun utilities: https://github.com/DarioMazzanti/MagicUtilities.
This was fun to make 🙂
Potential applications are having a virtual AR screen inside a 3D (even VR) environment.