Fair Trade Filament for 3D Printing

Example:Protoprint

"Protoprint is a Social Enterprise based in Pune, India that empowers urban waste pickers with the technology to ethically produce fair trade 3D printer filament from the waste plastic they collect. We market the filament globally, providing consumers with a price competitive, ethically sourced, recycled alternative to virgin plastic.

In addition to the sale of our filament, we work with organizations and institutions in India to set up affordable 3D printing facilities for their students and professionals." (http://www.protoprint.in/protoprint-ethical-fairtrade-3d-printing.htm)