When my son was in second-grade, he used a 3D printing pen to make a pair of eyeglass frames. They were as brittle as a toothpick, with rims as thin as dental floss and clown-red frames that wobbled ...

A teenager turning a few hundred dollars of savings and a desktop 3D printer into a six-figure ecommerce engine is not a fluke, it is a blueprint. By treating a school project like a real company, ...

Arguably, one of the main purposes of new technology is to provide means of improving your life in ways large and small. As an example of this, there are all manner of 3D printed gadgets that could be ...

Creative programming a 3D printer to make custom objects. - Stenko Vlad/Shutterstock We may receive a commission on purchases made from links. There's probably no need to explain why a 3D printer is ...

For a couple of years now, I’ve been trying to find an excuse to buy a decent 3D printer. Friends and fellow Ars staffers who had them would gush about them at every opportunity, talking about how ...

For decades, America's detectives have made breakthroughs in crime using gun traces. A homicide investigator typically uses ballistics and serial numbers of weapons checked via a vast network of gun ...

Researchers like Kiera Towell want to eventually use 3D-printed ice to repair roads and build igloos in cold, remote places where other construction materials, like concrete, don't work or are hard to ...

You can make some big 3D printed projects in your own home, but projects this massive are going to require a specialized ...

Your average 3D printer is just a nozzle shooting out hot plastic while being moved around by a precise robotic mechanism. There’s nothing stopping you replacing the robot and moving around the ...

We may receive a commission on purchases made from links. I realized this the hard way, after tons of failed prints, warping issues, clogged nozzles, and whatnot. To save you from these hassles, we've ...