$15 Junkers G38 Low-poly 3D model by Helijah. Available on CGTrader with 68000 polys and 73000 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 6.3 MB), OBJ (OBJ, filesize: 9.86 MB), BLEND (Blender, filesize: 12.4 MB), OTHER (Other, filesize: 10.4 MB), FBX (Autodesk FBX, filesize: 3.79 MB), GLTF (glTF, filesize: 4.24 MB), PNG (PNG, filesize: 1.17 MB)