lion-engraved door knocker 3D model is available on CGTrader for $18. Original author: staff7.
STL (Stereolithography, filesize: 251 MB), OBJ (OBJ, filesize: 251 MB), JPG (JPG, filesize: 251 MB), USDZ (USDZ, filesize: 251 MB), FBX (Autodesk FBX, filesize: 271 MB), GLTF (glTF, filesize: 251 MB), TEXTURES (Textures, filesize: 295 MB), PNG (PNG, filesize: 295 MB)