Hand on duplo-compatible block

Made the hand much smaller and put it on top of a duplo-compatible 2x2 block. Update: There are three versions: (1) hand is a bit embedded in a Duplo-compatible block, (2) hand sits on top of a Duplo compatible block. Also added a 2x2 Duplo block. (3) A Lego-compatible version.

I find it a nice object for testing g-code generators for the RapMan (skeinforge and Netfab engine for RapMan). The code must deal with an overhang and small fingers.
Of course, can be used to play with any other soft