Satya shows us how to use iterations of simple shape layers to create some beautiful procedural art. Satya also recreated the effect in Cinema 4D and has create a bonus addendum tutorial which in true Satya style is full of XPresso goodness.
See the full tutorial at https://cgi.tutsplus.com/tutorials/create-an-elegant-concentric-rings-animation--ae-1807?utm_campaign=yt_tutsplus_D9qKLj1VvxE&utm_medium=referral&utm_source=youtube.com&utm_content=description