3dCADStore.com is a growing collection of free 3d CAD models, which was developed by our mechanical engineer. All the models in our collection are high-quality and handy 3d models of real world parts, manufactured by popular suppliers. At the present time you can find and download models in formats compatible with SolidWorks, Autodesk Inventor and Pro Engineering. We will add more 3d models to the collection with time.