Ground plastic bits go ... a direct-extrusion 3D-printer. And like all of his builds, it’s made from scraps and bits most of us would throw out. Pellet agitator is part of the extruder.

Recycling 3D printer filament isn’t a new idea, and in fact there are quite a few devices out there that will take chunks ABS, PLA ... were smaller than the plastic pellets found in injection ...