In the Next Industrial Revolution, Atoms Are the New Bits | Wired Magazine | Wired.com: It all starts with the tools. in a converted brewery in Brooklyn, Bre Pettis and his team of hardware engineers are making the first sub-$1,000 3-D printer, the open source MakerBot. Rather than squirting out ink, this printer builds up objects by squeezing out a 0.33-mm-thick thread of molten ABS plastic. Five years ago, you couldn’t get anything like this for less than $125,000.