Check out Eurocopter EC135 3D model order 3D model on CGTrader for $24.99. High-quality mesh by Hafcoy.
STL (Stereolithography, filesize: 2.44 MB), OBJ (OBJ, filesize: 12.4 MB), BIP (KeyShot, filesize: 4.74 MB), GLTF (glTF, filesize: 4.11 MB), FBX (Autodesk FBX, filesize: 3.32 MB)