Machine Recycles Plastic Bottles into 3D Printer Filament–And the Design was Released, Instead of Patented https://www.goodnewsnetwork.org/machine-recycles-plastic-bottles-into-3d-printer-filament-and-the-design-was-released-instead-of-patented/ #arts&leisure #3d-printing #engineering #creativity #invention #landfills #students #plastic #design #world