For starters, we recommend plastic filaments such as PLA and ABS. On each website, you can browse a large selection of 3D designs and 3D models that you can download and print on your own.īut before you download a model, it’s important to know what material you will use to create it. If you have just started 3D printing, you may be looking for free STL and 3D models to download and print.īelow are 11 of the best websites that offer free STL 3D models for 3D Printers. Looking to get started with printing ready-made models? Read this guide for a list of websites that offer free STL files for 3D printing.