Machine turns plastic soda bottles into 3D printing filament - Springwise
The EKOCYCLE Cube 3D Printer: Remake Using Recycled Plastic Bottles | 3D Systems
This 3D Printer Can Work Directly with Recycled Plastic - Hackster.io
Open-source machine Polyformer turns bottles into 3D printing filament
Sustainable 3D printed composites from recycled ocean plastics and pyrolyzed soy-hulls: Optimization of printing parameters, performance studies and prototypes development - ScienceDirect
Precious Plastic's Incredible Machines Recycle Plastic, Make Filament, and More - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
Recycled polypropylene blends as novel 3D printing materials - ScienceDirect
Coca-Cola and will.i.am's 3D printer uses recycled bottles as filament
Kids Ahead - Robotics Articles - 3D Recylcling
Recycle Failed and Waste 3D Prints: Challenges
Recycled filament for 3D printing | Renewi
Can 3-D Printing and Recycling Come Together? | Greentech Media