Caproni Ca 161 Bis Low-poly 3D model is available on CGTrader for $15. Original author: Helijah. Specs: 128000 polys, 10000 verts.
STL (Stereolithography, filesize: 8.22 MB), OBJ (OBJ, filesize: 15.5 MB), PNG (PNG, filesize: 2.45 MB), TBSCENE (Marmoset Toolbag, filesize: 32.1 MB), BLEND (Blender, filesize: 18.8 MB), FBX (Autodesk FBX, filesize: 6.43 MB), GLTF (glTF, filesize: 9.54 MB), OTHER (Other, filesize: 19.7 MB)