Still, a device like this is a sign of how far 3D printing has come, and how it enables projects that would otherwise remain an idea in a notebook. We do love 3D-printed gears.

Business news from the Chicago Tribune. The latest reporting on business, real estate and transportation in Chicagoland.

Your photos deserve to exist as more than mere bits and bytes. Here's how to pick the right photo printer—whether for humble snapshots or big, bold art prints—and our top lab-tested picks.

Dripping Springs residents can now shop for print and design services at Main Design Print Company off Hays Street.