In this caustics study, I've finally figured out how to control caustics shadows and objects independently of each other, with the added ability to boost both. Additionally, I'm experimenting with compositing techniques such as adding a vignette and color dispersion. I'll be adding this topic to my "to-do tutorials list." Stay tuned! Please leave a comment if there's a particular render you liked and why.
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https://www.youtube.com/watch?v=ObDBOYRySQU