How can plastic be effectively used again, without reducing the usefulness of the material? ReDeTec’s patented MixFlow™ extrusion technology is designed to maintain the desired mechanical properties of the plastic while recycling it into raw material once again - avoiding the degradation inherent to other recycling methods. 

Printing 3D models isn’t reserved for engineers or prototypers; artists, educators, hobbyists, and students make computer-generated designs come to life in the real world. For those who want to print and not design the models themselves, plenty of websites offer downloadable files that you can send to your printer. But where do you start?

We've collected some of the best websites that offer high-quality, downloadable models like STLs.