Free-energy: what the battery companies don’t want you to know
http://mambohead.com/2011/08/piezo-generator/
Baby drawbot does a raster scan
http://mambohead.com/2011/08/drawbot-raster-scan/ This drawbot uses an arduino and a pair of easydrivers to run the steppers.
Cnc cutting aluminium first try .
This is the Xylotex 4 axis CNC controller. Xylotex rules! This is Squirrel Labs! http://rubber-power.com Also http://www.InventorArtist.com