Designers: 3Doodler, from Peter Dilworth and Max Bogue
They currently have a Kickstarter you can contribute to, get on that.
Check out the link for more info.
image courtesy of WobbleWorks LLC.. 3Doodler, from Peter Dilworth and Max Bogue, and http://www.kickstarter.com/projects/1351910088/3doodler-the-worlds-first-3d-printing-pen
There is also a similar tool FreeD from designers Amit Zoran and Joe ParadisoAdvertisements