The Armattan Gecko 3″ frame has a 20 x 20 mm mounting pattern, and the Runcam Split S 4 has a 25.5 x 25.5 mm mounting pattern, so by default they don’t fit.
Here are two possible options:
- Drill a 25.5 x 25.5 mm pattern in the carbon fibre frame – the downside being carbon fibre dust is dangerous to the lungs and blunts your drill bits
- Create a base plate and mount it on the drone
I opted for creating a mounting frame – you can find my Armattan Geck Runcam 4 mount is published on Thingiverse.
The Runcam snaps into place as follows:
And the end result is as such, using 4 stand-offs to raise it from the frame: