They are providing over 2.1 million STL files. Thingiverse is one of the largest content repositories for 3D printer models on the internet. Top Websites with the Best 3D Printing STL Files Free Thingiverse If we missed your favorite site for free STL file downloads, please let us know in the comments, and we’ll add it to our list for future updates. This ranking, determined by some sneaky Googly magic and a little tie-breaker juice from the site’s popularity (as reported on Amazon’s Alexa Traffic Rank), should provide a reasonable estimate of a site’s usefulness as a source for printable models. We use an equation that accounts for the total number of 3D printable models on a site to rank the 3D model repositories.

So, if you’re a 3D modeler looking to supplement your income, these are ideal platforms for displaying your work. Some of these websites also have storefronts to sell 3D printing designs. Each allows you to browse a large selection of 3D printing designs for home printing. Below is a list of the best websites with 3D printing STL files free, model repositories, and marketplaces where you can download 3D printing STL files free.