Christopher Robertson has created a new 3D printer filament roller and feeder which offers an all-in-one IR sensor and alarm to detect all filament feeding errors automatically to help stop your ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...

Printing 3D objects has always felt like a daunting and expensive affair, but we are beginning to see 3D printers come down in price substantially. The problem is that it’s still difficult to create ...