$69 Curtiss N-9H Floatplane 3D model by chipbasschao. Available on CGTrader with 26408 polys and 18281 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 9.33 MB), OBJ (OBJ, filesize: 9.33 MB), 3DS (3D Studio, filesize: 9.33 MB), C4D (Cinema 4D, filesize: 9.33 MB), DAE (Collada, filesize: 9.33 MB), DXF (DXF, filesize: 9.33 MB), FBX (Autodesk FBX, filesize: 9.33 MB)