PETFusion 2.0 is both a PET (polyethylene terephthalate) bottle recycler and a custom 3D printing filament maker, with the ability to even apply your own ink/pigments to the filaments you make ...
the Lyman Filament Extruder The goal of the Desktop Factory Competition was to create a machine that produces filament suitable for 3D printers with a total build cost of under $250 USD.
In concept, any machine that creates filament is pretty straightforward. Melt pellets and push them out of a nozzle. Cool the filament and wind it up. Easy, right? But, of course, the problems are ...