Concorde 3D model is available on CGTrader for $80. Original author: lutzrohlfing. Specs: 188236 verts.
BLEND (Blender, filesize: 194 MB), BLEND (Blender, filesize: 194 MB), OBJ (OBJ, filesize: 25.7 MB), FBX (Autodesk FBX, filesize: 9.62 MB), GLTF (glTF, filesize: 160 MB), STL (Stereolithography, filesize: 16.8 MB), PNG (PNG, filesize: 154 MB)