Our SightSpace 3D mobile app viewer for Google SketchUp (in .KMZ format) is now available on Amazon’s Kindle Fire and can be downloaded on the Amazon Appstore for Android. SightSpace 3D is a powerful tool to view models created in Google SketchUp and other programs that read .KMZ files. These include Google Earth, the Google 3D Warehouse, ArchiCAD, and ArcGIS. Â With SightSpace, you can annotate 3D models, bookmark favorite views, take screenshots, and share notes and photos. Â If you have a pair of red/cyan glasses, you can also view models in full Stereoscopic 3D.Â SightSpace 3D is also available for download on theÂ iTunes App StoreÂ for Apple devices and for Android phones and tablets on Google Play (formerly the Android Market).