Hand held or Drone Mounted Gimbal for BlackMagic Micro Cinema or other Mid sized Camera

Update 16 Sept 2016
I have discovered through use that the roll plate is a weak point so I have uploaded a new 2 piece design. It can be added without having to redo or rethread any of the wiring, Just cut the old roll plate away with strong wire cutters or whatever and mount the new assembly in place as per photos. Rebalance the roll afterwards and you will probably have to rebalance the yaw axis as well.

Update 4th Sept 2016:
I have added an alternative rail mount which you can use if you