Check out CNC3018 CNC milling machine 3D model on CGTrader for $20. High-quality mesh by jaketnet2012.
MS (3ds Max macroScript, filesize: 12.9 MB), JPG (JPG, filesize: 12.9 MB), PNG (PNG, filesize: 12.9 MB), MAX (Autodesk 3ds Max, filesize: 12.9 MB), FBX (Autodesk FBX, filesize: 7.38 MB)