Heat exchangers are everywhere—in air conditioners, refrigerators, cars, airplanes, data centers, and even in your phone.

As we’ve seen before, homebrewing a liquid-cooled hotend doesn’t have to be a big undertaking ... Do you have any interest in water cooling your 3D printer? Or have you done it?

A new 3D-printed design could make an integral part of cooling systems like air conditioners ... King and his colleagues used 3D printing to design a heat exchanger that includes features to ...

When one of your design goals for a 3D printer is “fits through standard doors,” you know you’re going to be able to print some pretty big stuff ... for taking cooling air from outside ...

and a big red button you can slam to quickly turn the whole thing off. I was apprehensive about heating flammable materials inside a 3D printer, especially once the printer’s touchscreen had me ...