YOUR PERSONAL ASSEMBLY LINE

摘要

Imagine dreaming up a toy for your kids, sketching it out on your computer, and minutes later-voila!-you're holding the real thing in your hand. Such is the promise of 3-D printing, a niche but growing technology that Bre Pettis and his Brooklyn-based start-up, MakerBot, believe will become as common in homes as the printers that crank out our photos and household documents.