5 expensive hobbies where owning a 3D printer actually saves you money

How owning a 3D printer can save you some big cash in your hobbies

By Jonny Evans Oct. 31, 2026 8:30 pm EST Kynny/Getty Images Add Engadget on Google: Google Discover

NASA's 3D printers hosted on the International Space Station (ISS) print tools and replacement parts on demand. Here on Earth, 3D printers can sometimes make expensive components and accessories for a more affordable price than you can find in stores. However, does that make one worth buying?