Check out 3d model For CNC - 44 3D model on CGTrader for $20. High-quality mesh by bnbn042: 1463317 polys, 731535 vertices.
BLEND (Blender, filesize: 45.4 MB), OBJ (OBJ, filesize: 30.1 MB), FBX (Autodesk FBX, filesize: 39.6 MB), STL (Stereolithography, filesize: 15.6 MB), 3DS (3D Studio, filesize: 487 Bytes)