Online 3D Viewer is described as 'engine to visualize 3D models online' and is an website in the Photos & Graphics category. There are five alternatives to Online 3D Viewer, not only websites but also apps for Windows and Linux. The best alternative is A360 VIEWER, which is free. Other great sites and apps similar to Online 3D Viewer are 3D Viewer Online (Freemium), CAOdrive (Free), VariCAD Viewer (Free) and usBIM.viewer+ (Free).
A360 Viewer is a free online viewer for 2D and 3D designs including AutoCAD DWG, DXF, Revit RVT and Inventor IPT, as well as STEP, SolidWorks, CATIA and others. These file types can be viewed with the online A360 viewer, the free version of A360, and the paid version, A360 Team.
View, Measure, Share and Embed 3D models and 2D drawings directly in your browser. No installation required, works on computers, smartphones and tablets. Files supported : STP, IGS, STL, PLY, OBJ with MTL, DXF, DWG
Do you need to open an IFC file and modify it? usBIM.viewer+ is the only freeware certified by buildingSMART International that allows you to view, edit, convert and share BIM models in the IFC format. Basically, it is more than just a viewer!.