My 2014 Christmas started early with purchase of Lulzbot TAZ 4 3D printer. Already enjoying making some useful and not so much things.
So far i spent hours with Slic3r and Cura (I find Cura giving better prints out of the box), printed dozen of Tarot Gimbal bracket for IRIS+ drone and sold on eBay, learned basics of CAD in FreeCAD, OpenSCAD and Blender. Some of my original works:
Easy to make adapter allowing to use 3xAA batteries where D batteries are required: