FireFly mini

I have been using my FireFly for over 4 years now. I print a lot of different filament types and change filament often. I wanted an extruder that made changing filament easy, printed all filaments, and did not plug up or skip. This extruder loads filament with just a twist of a big easy knob (see video). It prints any filament that I have tried including flexible. It cleans itself as it prints with a reverse action rotating brush eliminating clogs and skips. It is light weight with a nema 14 stepper and powerful with it's drive gears.

This is an advanced project with many parts, requiring a well calibrated printer to produce some of the parts. If the worm gears don't turn smoothly for you, ask a friend to print them. They don't take a lot of filament.

The "foot" of the extruder is interchangeable with a standard Wade's extruder, so you can probably drop it right on to your X-carriage. I have both 1.75 and 3mm models designed for hexagon and e3d type hot ends. If you w