Building a CNC Router : 18 Steps (with Pictures) - Instructables
How to Make a Three Axis CNC Machine (Cheaply and Easily) : 12 Steps (with Pictures) - Instructables
VEVOR CNC Router Machine, 4030 Engraver Milling Machine with Offline Controller Limit Switches Emergency-stop, DIY 3 Axes Cutting Kit for Wood Metal Acrylic MDF, 400 x 300 x 100 mm Large Working Area - - Amazon.com
MYSWEETY Upgrade Version CNC 3018 Pro Engraver Machine, GRBL Control DIY Mini 3 Axis CNC Router Kit, Wood Router Engraver Pcb Milling Machine with Offline Controller + ER11 and 5mm Extension Rod - - Amazon.com
MYSWEETY 2 in 1 5500mW CNC 3018 Pro Engraver Machine, GRBL Control 3 Axis DIY CNC Router Kit with 5.5W Module, Plastic Acrylic PCB PVC Wood Carving Milling Engraving Machine with Offline Controller - - Amazon.com