There are probably almost as many DIY CNC designs as there are DIY CNCs. And there’s nothing wrong with that! We really liked [maxvfischer’s] documentation on GitHub for a machine he made ...
Before I decided to build my own CNC machine I had seen a few bolt together ... My write up describes my attempt at a completely DIY bolt together machine made from 25mm aluminum SHS, 50mm ...
The flanged button head screws sourced for attaching the drawer slides to the aluminum extrusion rails don't quite fit through the holes/slots in some of the drawer slide tracks. Use a 1/2" drill bit ...