About this 3D model
This shell makes it possible to wire out a external supply. I've tested the fit, but haven't finished the construction. use a supply like this http://www.pololu.com/catalog/product/2101 wire it out to a wall wort, or a larger battery. use http://chdk.wikia.com/wiki/CHDK to set up a motion sensitive HD security cam add a Eye-Fi card for remote network upload.