CG Cookie, Sketchfab and Shapeways have teamed up for the Blender Cookie Halloween 3D Printing Contest. Model a Jack-O-Lantern model and win it fully 3D printed with additional printing credit, a Sketchfab PRO account and a CG Cookie Citizen account to boot.
Enter by Halloween, contest closes at 11:59pm CDT on October 31st. For more information, please see the contest announcement on Blender Cookie.