Conclusion Best Places to Get Free Models for 3D Printing Standout sites Site Category Award Thingiverse Repository Best overall Printables (Formerly PrusaPrinters) Repository Best alternative to Thingiverse Cults3D Marketplace Best place to sell a 3D model design NASA Repository Most unique STL files The Smithsonian Repository Most incredible 3D models Pinshape Graveyard Most abandoned site that still somehow ranks in most top 10 posts.Specific Free STL file roundups – From fishing to RC Planes to Pokemon, all of our best collections.Best Places to Get Free Models for 3D Printing.Here is our huge – and updating – list of the best sites where you can get free STL files, downloadable 3d print designs, 3d models, and more to keep your 3D printer busy. But what other websites offer free STL files for you to download and print?įor example, did you know that NASA has free models of various space objects, like the Apollo 1 landing site? If you know of Thingiverse, that’s a great place to start. The self-tapping 3D printed grocery bag hook… my first print.