Free3D is described as 'The place to share your 3D models with the world. Build your own portofolio to show your skills and get freelance work: keep an eye on the inbox!' and is a CAD software in the photos & graphics category. There are more than 10 alternatives to Free3D, not only websites but also apps for a variety of platforms, including Android, iPhone, Android Tablet and iPad apps. The best Free3D alternative is Thingiverse, which is free. Other great sites and apps similar to Free3D are Sketchfab, SketchUp 3D Warehouse, Ultra Librarian and GrabCAD.