Pagoda 2 antenna protection

the (I hope for) more crash-proof version of pagoda (see here http://www.maartenbaert.be/quadcopters/antennas/pagoda-antenna/) 5.8GHz FPV antenna. Since I tend to crash hard too much I decided to devise more robust version than this https://www.thingiverse.com/thing:2134929 (and I just did not much like the design of this one https://www.thingiverse.com/thing:2278861). Also, my antenna had different (wrong) distance between bottom disks (10.2 vs 10.45) so I had to account for that.

Assembling