Northrop F-5E Tiger V06 USAF (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Dreamscape. Specs: 20966 polys, 11361 verts.
STL (Stereolithography, filesize: 299 KB), OBJ (OBJ, filesize: 698 KB), DWG (AutoCAD, filesize: 356 KB), LWO (Lightwave, filesize: 168 KB), MAX (Autodesk 3ds Max, filesize: 207 KB), DXF (DXF, filesize: 342 KB), 3DS (3D Studio, filesize: 160 KB), OTHER (Other, filesize: 647 KB), 3DM (Rhinoceros 3D, filesize: 348 KB), TEXTURES (Textures, filesize: 1.31 MB)