Welcome to Photoshop Gurus forum. Register a free account today to become a member! It's completely free. Once signed in, you'll enjoy an ad-free experience and be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
Filter>Art Filter>Colored Paper Collage.
Thanks Agent for the translation.
Nope, I don't have that and I'm using CS6. Oh well.
Hi Sam
I just read thebestcpu's post, and I think the filter is called "Posterization".
@thebestcpu: I know exactly how you did it with a "stair step curve". But maybe for the OP it is easier to use the mentioned filter.