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.