This is another evolution of this one: http://www.thingiverse.com/thing:1758376.
Here u can read a detailed photo-tutorial: http://www.esigblog.com/box-mod-bottom-feeder-mini-meccanica-foto-tutorial/
How required from some of you people do not want use keyston or other kind of contact but want use only strips (copper, brass or silver o whatever u want).
This is: 77x42x24 mm.
There are the follow kind of body and front panel:
In render the red body is the fatdaddy version, the other is the normal one.
About the strips these should work fine: http://fave.co/2crgoGr or http://fave.co/2cri1DS
To complete u need: