Can be combined with the slim GoPro Hero3 camera mount: http://shpws.me/nF8s
, or any other GoPro case / frame.
Designed for use with anti-vibration silicone balls, such as http://www.aliexpress.com/item/CS039-DJI-vibration-rubber-damper-6pcs-bag/904885251.html
, or any other ball dampers with a mount diameter of around 9mm.
I would recommend either bolting or gluing the top part of the mount to the Phantom, to minimize the flexing. I've left room for drill holes in the mount, so this can be facilitated - otherwise a glue which yields when heated can also be used (and later removed).