Filament Maker - Recycle Filament for Any 3D Printer – Filabot
Combination 3D Printer will Recycle Plastic in Space | NASA
Recycled polypropylene blends as novel 3D printing materials - ScienceDirect
Sustainable 3D printed composites from recycled ocean plastics and pyrolyzed soy-hulls: Optimization of printing parameters, performance studies and prototypes development - ScienceDirect
Open-source machine Polyformer turns bottles into 3D printing filament
Recycling 3D filament- Waste Plastic – Geeetech
Recycle Plastic Into 3D Printer Filament at Home : 9 Steps (with Pictures) - Instructables
Filament startup Nefilatek launches 100% recycled plastic filament - 3D Printing Industry
PLA Recycling: Can PLA 3D Printer Filament be Recycled?
3D Re-Printer Concept - All-in-one Plastic Recycling 3D Printer - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing | Printer, 3d printing, 3d printer designs
The Recreator 3D - Make Recycled PET#1 3D Filament | Hackaday.io