Looking for Flying Castle II? Get this 3D model from Hafcoy via CGTrader for $14.
STL (Stereolithography, filesize: 244 MB), OBJ (OBJ, filesize: 244 MB), 3DS (3D Studio, filesize: 122 MB), FBX (Autodesk FBX, filesize: 244 MB), SKP (Sketchup, filesize: 122 MB), BIP (KeyShot, filesize: 122 MB), DAE (Collada, filesize: 122 MB), GLTF (glTF, filesize: 122 MB), ZPAC (Marvelous Designer, filesize: 122 MB)