http://cg.tutsplus.com/tutorials/maxon-cinema-4d/low-poly-paper-tree-creation-gi-baking-in-cinema-4d/

In this tutorial Aleksey Vozeneski will walk you through how to model a low poly tree in Cinema 4D and how to achieve that paper look that is becoming quite popular these days. He’ll then move on and show you how to bake Global Illumination, so that render times can be significantly reduced and your scene will be production ready.