Attached Link: http://www.sketchup.com/index.php?title=GIS

---From the Sketch-Up Website: "We all live in a 3D world. GIS data should too! Can I use my existing GIS data in SketchUp? You bet! SketchUp reads a variety of file formats, including: Shape files, feature classes, orthophotos, and TINS CAD data - DXF and DWG 3DS files Digital Elevation Models - DEM and SDTS Raster data - digital photos, JPG, TIFF, PNG, etc. Can I use my SketchUp models in GIS? You bet! SketchUp exports to variety of file formats, including: ArcGIS as either multipatch or 3D symbology CAD packages Rendering packages Presentation packages The SketchUp ArcGIS Plugin Why try to visualize buildings in 2D when you can obtain a more realistic view? The SketchUp ArcGIS plug-in enables ESRI ArcGIS users with the 3D Analyst extension to quickly create highly detailed three-dimensional models. With the SketchUp 5 ESRI Plugin you can visualize 3D models in SketchUp and then seamlessly transfer the 3D models to an ArcGIS geodatabase for further analysis."