$15 Junkers F 13 Low-poly 3D model purchase 3D model by Helijah. Available on CGTrader with 29668 polys and 31090 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 2.5 MB), OBJ (OBJ, filesize: 3.96 MB), BLEND (Blender, filesize: 8.73 MB), FBX (Autodesk FBX, filesize: 1.6 MB), OTHER (Other, filesize: 6 MB), GLTF (glTF, filesize: 4.87 MB), PNG (PNG, filesize: 3.71 MB)