The benefits of having a 3D printer with multiple extruders ... He has designed a tool changer that gives the printer the ability to switch out hot ends on the fly. The system is very similar ...

Tool changing 3D printers are hot. The idea is that instead of switching filament, you swap out hot ends or other tools. That isn’t a new idea. However, most tool changers are expensive.

There is a caveat here: you will need an existing 3D printer to create some of the Lemontron's printed parts. The device is designed for those ...