Carrier Spaceship 3D model is available on CGTrader for $55. Original author: SkystoneSpaceindustry. Specs: 42350 polys, 43902 verts.
BLEND (Blender, filesize: 6.55 MB), OBJ (OBJ, filesize: 6.24 MB), FBX (Autodesk FBX, filesize: 2.54 MB), DAE (Collada, filesize: 12.2 MB), PLY (Ply, filesize: 1.53 MB), STL (Stereolithography, filesize: 4.04 MB), ABC (Alembic, filesize: 7.44 KB)