The incredible Filament Killer Gun (Filament Pelletizer Shredder)

Low Cost Filament Pelletizer.
(filament leftovers and falsely manufactored filament does not do well in conventional shredders, so you need something like this to give your plastic another try becoming better filament next time).
STL Files included, but thing must be adapted to the Steel Tube it uses and of course, to your drilling machine. So it's only to make clear how it works.

Drilling can be used in both directions; if used with normal drilling direction, the Filament feeded into the