The comprehensive free Homemade CNC router guide. Everything you need to know to build your own.
Arduino CNC Kit w/ Atmega16u2 UNO + Shield+ Stepper motors DRV8825 Endstop GRBL | eBay
Max Wilson's CNC Router
diy cnc router by Devilmaster, Spain
This a my homemade 3' x 4' 4 axis CNC Router. The 4th axis isnt in the picture, but it's for the rotary table.
Homemade CNC Router: Got a "real" Dremel now, so made a new router mount.
CNC Router by Benne -- Homemade CNC router constructed from 15mm aluminum plate, aluminum extrusions, ballscrews, stepper motors, and linear rails. http://www.homemadetools.net/homemade-cnc-router-12
DIY Cable Carrier for Homemade CNC Router
diy cnc router plans
Lead Screw and Nut Assemblies