Photoshop CS6 - 3D - Import a Minecraft world into Photoshop Extended
Photoshop CS6 - 3D - A quick tutorial on how to import a Minecraft 3d world into Photoshop for rendering! You will additional software to make this happen. Search Google for Mineways.
Keep in mind these worlds can be very large! So don't select the entire world unless you have a lot of Ram and are willing to wait for loading the OBJ and rendering.