Most consumer 3D printers use “ink” made of colored plastic line. But despite the self-reliant and Earth-friendly bent of many 3D printing hobbyists, it’s surprisingly difficult to find 3D printing ...

Sunny Isais, a junior at Colony High School in Ontario, has developed a method for recycling plastic bottles into filament for 3D printers. Isais, who wants to study aerospace or mechanical ...

Soldiers on the battlefield or at remote bases often have to wait weeks for vital replacement parts. Now scientists report they have found a way to fabricate many of these parts within hours under ...