Best 3D Viewers for Revit

Autodesk Viewer supports most 2D and 3D files, including DWG, STEP, DWF, RVT, and SolidWorks. Quickly get the feedback you need with Autodesk Viewer's lightweight drawing and annotation tools. Autodesk Viewer lets you access and collaborate on your designs from any device or operating system. View DWG files or convert them to work with older versions of AutoCAD software. Add Design Review to mark up 2D and 3D files without the original design software. For greater flexibility consider Autodesk Viewer or AutoCAD web app. Get quick, anytime access to CAD drawings with the AutoCAD web app. View, edit, share, and create DWG files in a web browser on any computer. No software installation required. Use the drafting tools and commands you're used to.

SimLab CAD Viewer is a mobile application that allows you to view and navigate, on the go, computer-aided 3D designs and architectural models on iOS and Android devices. SimLab CAD Viewer reads the SimLab Archive File (.ZIM) exported either from SimLab Composer or the Android/iPad Exporter plug-in which is available for SketchUp, Rhino, SolidWorks, Inventor, 3ds Max, Maya, and Modo. The SimLab Archive Files (.ZIM) include all the necessary data needed for displaying models on smartphones and tablets. The data include geometries, colors, materials, textures, cameras, scene states, and animations. SimLab CAD Viewer is currently available for free and can be downloaded from the App Store (iOS) and Google play (Android). Upon launching SimLab CAD Viewer, list of pre-installed sample models appears to the user allowing him/her to start quickly in demonstrating the capabilities and the features that SimLab CAD View offers.