Check out Helicopters H145 3D model on CGTrader for $24.99. High-quality Polygon mesh mesh by Hafcoy.
STL (Stereolithography, filesize: 3.34 MB), OBJ (OBJ, filesize: 15.9 MB), BIP (KeyShot, filesize: 5.77 MB), FBX (Autodesk FBX, filesize: 3.65 MB), GLTF (glTF, filesize: 4.79 MB)