adapter to make your own external power supply. be aware that this id for the MK-I, not the filming MK-II. the openscad files could be adapted for that. first print on a mendel was a perfect fit. I changed the contact strip area to be able to better connect to the contacts in the camera. ver date comment 1.0 03-09-2011 initial version 1.2 03-09-2011 increased smoothness 1.3 07-09-2011 added union() and removed orphaned parts for printing 1.4 10-09-2011 added contact return holes 1.5 11-09-2011 optimised returnholes and inner space 1.6 13-09-2011 enlarged and corrected contact area