Do you need a 3D printer?

Chinese malls are rolling out something new: 3D printing stations that let anyone design and print a custom object in under ten minutes. It's easy to dismiss as a fun distraction, but there's a serious push to bring this technology into our homes. The real question isn't about how well the machines work, but whether we'd use one if we had it. / How safe is your delivery meal (17:09)? On the show: Steve, Yushan & Ding Heng