Killing time surfing eBay today I ran across this. Something jumps out at me in the 5th photo. I'm purposely not pointing it out, but will if it need be. Consider it a puzzle! Maybe I'm nuts...
Ebay CNC.jpg
https://www.ebay.com/itm/Laguna-Smart-Shop-M-4x8-CNC-Router-2019/174003824410?hash=item28836fa71a:g:mw4AAOSwJIhdXE1 y&autorefresh=true