Ah rectangle dude. Invented the triangle and revolutionised art from the 1930s onwards until Picasso made minecraft

There's also a programming language named after him: https://dangermouse.net/esoteric/piet.html

I saw an exposition of him and is pretty cool seeing him reaching and exploring until finding out that style.

Thanks

In practice, I guess this would be a person with a fixed schedule that just changes a lot.