Avro 652 Anson C-1 3D model is available on CGTrader for $79. Original author: chipbasschao. Specs: 69457 polys, 44395 verts.
STL (Stereolithography, filesize: 55.1 MB), OBJ (OBJ, filesize: 55.1 MB), 3DS (3D Studio, filesize: 55.1 MB), C4D (Cinema 4D, filesize: 55.1 MB), DAE (Collada, filesize: 55.1 MB), FBX (Autodesk FBX, filesize: 55.1 MB), LWO (Lightwave, filesize: 55.1 MB)