Different plastic bottles have different material qualities, so once the machine is started it can be adjusted to ensure that the filament produced has the exact specifications for the printer.

Plastic water and soda bottles often contain a chemical called polyethylene terephthalate (PET). Using PET bottles to make recycled polyester produces 75% fewer greenhouse gas emissions, compared to ...

Recycling plastic into filament normally involves chopping it into tiny pieces and pushing it through a screw extruder. [JRT3D] is taking a different approach with PetBot, which cuts PET bottles ...