[DaveMakesStuff] uses 3D printed test tubes for plants and similar purposes, and he’s shared how to make them on a 3D printer, complete with different models each optimized for different nozzle sizes.

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› Advice, staff picks, ...

3D printing is a downright futuristic technology. People can use plastic filaments, resin, and other materials to create custom objects. The quality of the print is limited by a user's printer, but ...

Researchers at the Massachusetts Institute of Technology and the Hasso Plattner Institute have developed a new 3D printing software that can reduce plastic use and preserve the strength of an object, ...