Check out 3d model For CNC - 48 3D model on CGTrader for $20. High-quality Polygon mesh mesh by bnbn042: 499021 polys, 249510 vertices.
BLEND (Blender, filesize: 15.6 MB), OBJ (OBJ, filesize: 10.3 MB), FBX (Autodesk FBX, filesize: 13.8 MB), STL (Stereolithography, filesize: 15 MB), 3DS (3D Studio, filesize: 487 Bytes)