Trollface, printable (.stl), checked by Netfabb, no textures.
Trollface is a rage comic character wearing a mischievous smile that is meant to represent the facial expression of an Internet troll. The image is most commonly used to portray a character as a troll in rage comics, or alternatively, to identify oneself or another participant as such in online discussions.
Now in the 3D-model from me. :)