Titanic Model 3D model is available on CGTrader for $2.5. Original author: nicelyc115.
STL (Stereolithography, filesize: 735 KB), OBJ (OBJ, filesize: 1.06 MB), FBX (Autodesk FBX, filesize: 428 KB), GLTF (glTF, filesize: 755 KB), PLY (Ply, filesize: 360 KB), DAE (Collada, filesize: 882 KB), USD (USD, filesize: 681 KB)