AnyCAD Viewer

AnyCAD Viewer is a free and powerful 3D model viewer. The program has support for IGES, FBX, 3DS, DXF, DAE, STL, OBJ, MD2 and MDL designs. You can use it to open the files saved or exported from commercial AutoCAD, 3DS Max, Revit, SolidWorks, UG, ProE and other CAD/3D programs.