Check out Open Lattice Plate 3D Model Low-poly 3D model on CGTrader for $19. High-quality mesh by dragosburian: 19272 polys, 21282 vertices.
STL (Stereolithography, filesize: 527 KB), OBJ (OBJ, filesize: 579 KB), 3DS (3D Studio, filesize: 367 KB), DAE (Collada, filesize: 356 KB), BLEND (Blender, filesize: 722 KB), FBX (Autodesk FBX, filesize: 437 KB)