created in sketchup, imported dae into blender then exported in different formats, created with imagination not base on a real city
STL (Stereolithography, filesize: 1.62 MB), OBJ (OBJ, filesize: 3.4 MB), DAE (Collada, filesize: 6.15 MB), SKP (Sketchup, filesize: 3.79 MB), BLEND (Blender, filesize: 12.5 MB), FBX (Autodesk FBX, filesize: 3.74 MB)