Nakajima Ki-49 Donryu - aka Helen 3D model is available on CGTrader for $89. Original author: chipbasschao. Specs: 70066 polys, 49007 verts.
STL (Stereolithography, filesize: 15.9 MB), OBJ (OBJ, filesize: 15.9 MB), 3DS (3D Studio, filesize: 15.9 MB), C4D (Cinema 4D, filesize: 15.9 MB), DAE (Collada, filesize: 15.9 MB), FBX (Autodesk FBX, filesize: 15.9 MB), LWO (Lightwave, filesize: 15.9 MB)