Among the most popular free 3D print designs:

makeAfind is a search engine, specialized on the search for 3D printer designs, models and things! On this site users of 3D printers just enter the search term they are looking for and they instantly receive a clear view of the findings, arranged as tiles.

We search on all popular and well known Portals - worldwide! A simple click on the picture of a result redirects you directly to the design in the original portal.