The head of Stephen Colbert - Voronoi Style Free 3D print model

The head of Stephen Colbert - Would it make a good pencil stand?

There are four types to download:
-coarse, with big voronoi cells - should be easy to print
-medium, with smaller voronoi cells
-fine, with even smaller voronoi cells
-very fine, with the smallest voronoi cells - hard to print