reasearch ship Low-poly (Polygon mesh 3D model) is available on CGTrader for $24.99. Original author: djancoek.
STL (Stereolithography, filesize: 28.3 MB), OBJ (OBJ, filesize: 28.3 MB), 3DS (3D Studio, filesize: 28.3 MB), DWG (AutoCAD, filesize: 28.3 MB), FBX (Autodesk FBX, filesize: 28.3 MB), DXF (DXF, filesize: 28.3 MB), DAE (Collada, filesize: 28.3 MB), BIP (KeyShot, filesize: 28.3 MB), GLTF (glTF, filesize: 28.3 MB), ZPAC (Marvelous Designer, filesize: 28.3 MB), SKP (Sketchup, filesize: 28.3 MB), TEXTURES (Textures, filesize: 619 KB)