Automatic Assembly and Testing Equipment for Shrapnel (Polygon mesh 3D model) is available on CGTrader for $159. Original author: Lovano. Specs: 3712439 polys, 11137317 verts.
STL (Stereolithography, filesize: 177 MB), OBJ (OBJ, filesize: 275 MB), X_T (Parasolid, filesize: 49.6 MB), STP (STEP, filesize: 53.7 MB), IGE (IGES, filesize: 205 MB), BIP (KeyShot, filesize: 705 MB)