As boring as propeller designs may seem to the average person, occasionally there’s a bit of a dust-up in the media about a ‘new’ design that promises at least a few percent improvement in performance ...

You can make some big 3D printed projects in your own home, but projects this massive are going to require a specialized commercial printer.

Independent engineer Jan Roetz has printed a 3DBenchy in just 74 seconds using Minuteman, a custom-built FDM printer featuring an air bearing bed, quad BondTech extrusion, and dry ice cooling. Here is ...