The last input socket of the Material Output node is Displacement. Sadly, it seems that at the moment, its use is limited.
By enabling Experimental in the Feature Set option under the Render tab in the Render window, it's possible to have access to an incomplete displacement feature:
- Open the
start_03.blend file, select the Spheroid, and delete its material.
- Go to the Render window under the Properties panel. In the Render tab, click on the Feature Set button, labeled with Supported by default, and select Experimental.
- Go to the Object data window to find a new tab named Displacement, where we can choose between three options: Bump, True, and Both (the Use Subdivision and Dicing Rate buttons don't seem to work yet). ...