Did you know that the fan was the most downloaded of all 3D Printed files, at least according to GrabCAD, which claims to have the largest collection of professional CAD models anywhere on the internet. GrabCAD, an alternative to Thingiverse, is target at engineers and other experienced in 3D design and modeling. The platform allows users to download free CAD designs which includes stl and obj files. They also have a separate repository for 3D printing.
One of the more interesting additions to the GrabCAD site is a 3D print file for a 3D Printer platform.
|Image Source: taqiaden via GrabCAD|