Iowa State University is offering students and others a software package that allows you to use a 3-D printer to make a model of any place on Earth — your prospective development site, for example. TouchTerrain is free for private use through Iowa State's GeoFabLab. "This could be a key element in improving how geoscience students connect with the surface structure of the Earth," Chris Harding, an associate professor of geology and a member of Iowa State's program in human computer interaction, said in a statement. We're thinking it might help area developers think about how to layout elements of a development, moving one step beyond a topographic map into a 3-D plastic model. ISU says you can buy a 3-D printer for less than $3,000. Read the full news release.