Twin rotor vacuum pump — professional 3D model by Dufe (CGTrader). Price: $9. Technical data: 12372 polygons, 6187 verts.
STL (Stereolithography, filesize: 604 KB), OBJ (OBJ, filesize: 1.72 MB), IGE (IGES, filesize: 2.87 MB), DWG (AutoCAD, filesize: 516 KB), FBX (Autodesk FBX, filesize: 352 KB), MAX (Autodesk 3ds Max, filesize: 1.59 MB), STP (STEP, filesize: 1.37 MB)