The Ekocycle Cube 3D-prints recycled plastic, is backed by will.i.am | Engadget
Sustainable 3D printed composites from recycled ocean plastics and pyrolyzed soy-hulls: Optimization of printing parameters, performance studies and prototypes development - ScienceDirect
Coca-Cola and will.i.am's 3D printer uses recycled bottles as filament
Precious Plastic's Incredible Machines Recycle Plastic, Make Filament, and More - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
Recycling 3D filament- Waste Plastic – Geeetech
Which plastics can be recycled into filament for 3D printing? - Felfil
3D printed trash bin made from recycled plastic waste on Behance
♻️ How can I recycle my 3D printing plastic? - Bitfab