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.

Plastics are ubiquitous in modern society, but their widespread use comes with severe impacts to the environment. Around 6600 million tons of plastic made globally since the 1950s remains as pollution in our waterways and landfills. Additionally, more than 99% of this plastic has been produced using energy from fossil fuels, contributing significantly to worldwide greenhouse gas emissions throughout that time.