The 3D city model of Rotterdam is available as open data in CityGML format. You can download the data directly from the server from Rotterdam. More information on CityGML can be found on the OpenGeospatial site at Geography Markup Language | OGC(R). An overview map of Rotterdam is a useful place to start (PDF, new tab). The following links all open in a new tab for download. Afrikaanderwijk.zip Ag