https://courses.patataschool.com/creative-shadows-vol-1

Tutorial Duration: 16 minutes | This varied series of images are used to add complexity and visual interest to your 3D renders with the suggestion of a world outside the visible scene.  As well as this extensive collection of 50 images for you to download we've prepared a tutorial explaining how to use them in C4D and get varied and unique results that bring your images to the next level.