Christmas is coming and CGTrader, the online 3D printing community based in Vilnius, Lithuania, has launched its Best 3D Printing Christmas Challenge to encourage creative 3D elves around the world to post their most innovative, high-quality, designs and potentially win great prizes like a 3Doodler 2.0 3D pen, spools of filament and more. Entries, including portfolios (10 or more submissions), must be received by December 20, 2015. Read more at 3DPrint.com: http://3dprint.com/105740/cgtrader-christmas-challenge/