RepRap Universal Mini Extruder

This printable extruder is intended to work on RepRap Mendel (both standard and Prusa), RepRap Huxley, and virtually any other open-source 3D printer you can find.

It features:

1. 1.75 mm filament
2. Adaptable mounting plate to attach it to virtually any 3D printer
3. Very compact high-torque NEMA 11 motor
4. Active ducted fan cooling for high reliability
5. Wade-style hobbed bolt filament transport
6. Wing-nut drive to spread the torque loading on the plastic gears