Battery Clip with mounting holes and supports for mounting on Hexapod

I simply made it more squared (see clip_hole_border_square.* )

The version battery_clip_4AA.* is for 4 AA batteries.
It has also 2 supports for mounting (without screws) on this Micro-Hexapod
http://www.thingiverse.com/thing:5156 (by ljon)
http://www.thingiverse.com/thing:34796 (remixed by carlosgs)