Cnc buildlog

http://www.harmonicdrive.net/products/gearheads/hpg-quickconnect/. 4ht axis cnc created with planetary gear from harmonic drive. Gear is bolted to aluminum block and coupled to gecko stepper motor.

mill conversion
http://rlberg.com/

open hardware
http://secure-www.openhardware.co.za/cart/13-openbeam-extruded-aluminum

Stepperhead
http://www.lathes.co.uk/stepperhead/ by Alan Jackson

http://www.lirtex.com/robotics/diy-cnc-machine/

http://twilightrobotics.com/cnc/cncnot1 how not to make a cnc

CNC suppliers
Cnc electronics

links

 * og.net/ linked somewhere else
 * Aluminum extraction
 * http://buildyourcnc.com/ and see Gears robot
 * http://reprap.org/wiki/Extruded_Aluminum