3D-Printing pen lets you create almost anything you want, in the air or on a surface

3D printing is an undeniably exciting technology, but until now you needed a pretty good understanding of the related software to maximize its potential. Not so with the 3Doodler, a pen-shaped tool that uses the same ABS plastic as many printers, but allows you to draw anything you like, in the air or on a surface. As you doodle, the pen extrudes heated plastic, which quickly cools and solidifies into an actual thing that you can hold and touch. You're really only limited by your imagination, and your drawing skills.