Useful things you can make with a 3D printer. From custom joinery to dividers, organizers, hardware, gears and scale models of your larger projects. Fabricate the things you actually need. http://www.rockler.com/dremel-3d20-01-idea-builder-3d-printer
Designer Libero Rutilo of DesignLibero, has created a unique way to give life back to used plastic water bottles. His idea was to create a 3D printed sculptural vase exterior, that can be placed over the top of a water bottle, and can be screwed on like a cap.