McDonnell XP-67 Low-poly 3D model is available on CGTrader for $12. Original author: mdjamilhossain1958. Specs: 11523 polys, 11282 verts.
OBJ (OBJ, filesize: 1.3 MB), MAX (Autodesk 3ds Max, filesize: 687 KB), 3DS (3D Studio, filesize: 1.05 MB), DAE (Collada, filesize: 2.76 MB), FBX (Autodesk FBX, filesize: 2.01 MB), W3D (Shockwave 3D, filesize: 1.38 MB)