The Lyman Filament Pellet Cutter is ideal for reclaiming remnants of filament, making it possible to re-extrude filament if you extrude your own.
The cutting unit was derived from the Thing #1249929 by 4ndreas.
Read the Manual for constructing.
You decide, I use 0.334 layer height with a 0.5 nozzle
The Pellet Cutter was design in AutoCad 3D modeling with parts exported to STL files.