Check out 3d model For CNC - 12 3D model on CGTrader for $20. High-quality mesh by bnbn042: 1449992 polys, 724915 vertices.
BLEND (Blender, filesize: 44.9 MB), OBJ (OBJ, filesize: 29.8 MB), FBX (Autodesk FBX, filesize: 39.2 MB), STL (Stereolithography, filesize: 15 MB), 3DS (3D Studio, filesize: 487 Bytes)