In this #c4d tutorial we are going to be taking this image of my desk:
(feel free to use your own image of any hard surface)
https://drive.google.com/file/d/13Awz1QqcXx86Gw1h7eCQCHiMWWLPn1ea/view?usp=sharing
and we will be using cinema 4D to create a hole in said desk.
We will also be using simulation tags to make a sphere fall down through the hole.