Heinkel He 111 6N-CK Low-poly 3D model is available on CGTrader for $29. Original author: KangaroOz3D. Specs: 6889 polys, 9261 verts.
OBJ (OBJ, filesize: 1.01 MB), BLEND (Blender, filesize: 1.98 MB), TEXTURES (Textures, filesize: 36 MB), FBX (Autodesk FBX, filesize: 661 KB), 3DS (3D Studio, filesize: 339 KB), DAE (Collada, filesize: 1.88 MB)