$12 USAAF Aircraft Observer Wings Badge 3D model by wadimwall. Available on CGTrader with 50000 polys and 49000 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 4.28 MB), OBJ (OBJ, filesize: 2.11 MB), 3DS (3D Studio, filesize: 1.24 MB), MAT (mat, filesize: 6.43 MB), JPG (JPG, filesize: 6.43 MB), FBX (Autodesk FBX, filesize: 2.84 MB), MAX (Autodesk 3ds Max, filesize: 254 KB)