The Well made from autocad.3ds max render were taken.
STL (Stereolithography, filesize: 3.93 MB), OBJ (OBJ, filesize: 308 KB), WRL (VRML, filesize: 373 KB), LWO (Lightwave, filesize: 173 KB), DWG (AutoCAD, filesize: 304 KB), IGE (IGES, filesize: 848 KB), SAT (3D ACIS, filesize: 242 KB), STP (STEP, filesize: 257 KB), 3DM (Rhinoceros 3D, filesize: 1.54 MB), MAX (Autodesk 3ds Max, filesize: 6.7 MB)