3Doodler 3D Printing Pen from ThinkGeek

-Now your drawings can go in three dimensions. -Draw with plastic with this handheld 3D printing pen. -Two speeds, plus eject (so you can quickly and easily switch colors). -Two temperature settings for use with ABS and PLA refills (sold separately). -Quick heat up time (approx. 1 min) with LED indicator. -For both right and left hand use. -Extra-bonus super-maker features: A mounting bracket is built into the back of the pen, and requires two 3m