Modeled with Rhino.
Cow model used for render.There isn't cow model in the file.
OBJ (OBJ, filesize: 38.6 MB), 3DS (3D Studio, filesize: 3.7 MB), WRL (VRML, filesize: 14.9 MB), LWO (Lightwave, filesize: 10.2 MB), IGE (IGES, filesize: 10.4 MB), 3DM (Rhinoceros 3D, filesize: 48.3 MB), DWG (AutoCAD, filesize: 92 MB), STP (STEP, filesize: 8.46 MB)