From a couple of guys named Max and Pete comes this bizarre 3D pen called the 3Doodler. Instead of ink, the pen dispenses a thin, steady bead of hot plastic. You draw, creating a plastic line that cools instantly, sort of like making a wire sculpture with a glue gun.
Max and Pete went the Kickstarter route to raise funds to produce the pen. They have raised ten times more than their $30,000 goal. Yikes! I'm not sure how much use I would get from such a pen, but it's a fun idea. What do you think?