YOKOTA AIR BASE, Japan — Tech. Sgt. Tylar Cravens believes he has an idea that could change the way the Air Force trains aircraft maintainers, and he’ll soon pitch it to top leaders at the Pentagon.

The moment you finish setting up your first 3D printer, it may feel as though the entire world is at your fingertips. After all, you can craft all sorts of things, from handy tools to beautiful ...

3D printers are more accessible in 2026, especially for users who want to explore 3D printing for beginners without spending heavily on advanced equipment. Modern cheap 3D printers and budget 3D ...

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 ...