$79 Curtiss A-18 Shrike II 3D model by chipbasschao. Available on CGTrader with 36177 polys and 24438 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 11.5 MB), OBJ (OBJ, filesize: 11.5 MB), 3DS (3D Studio, filesize: 11.5 MB), C4D (Cinema 4D, filesize: 11.5 MB), DAE (Collada, filesize: 11.5 MB), DXF (DXF, filesize: 11.5 MB), FBX (Autodesk FBX, filesize: 11.5 MB)