PETamentor

There are four main elements to the recycler. Starting from the bottle side, we’ve got a cutter which cuts the bottle into an even-width continuous strip. Then we’ve got the hot-end which the strip is pulled through to partially melt and convert it into the size and shape for filament. Then there is the reel which pulls the filament through the system and stores it for printing, and lastly is the controller on the front which controls the hot end temperature and the reeler motor.

The device doesn't fully melt the PET strip, it just softens it enough to be folded over into a cylindrical shape that is the same diameter as common 3D printer filament.