C-4rce Cyclone Bottom LED Bumper

This is a bottom bumper and a mount for 2 of this rings:
https://www.banggood.com/Matek-RGB-LED-Circle-Board-7-colors-X8-16V-For-FPV-RC-Multicopter-p-991716.html?p=XC19047783112014090V

You'll have to drill some holes into the frame (which is ok according to c-4rce stefan) to keep the mount in place and to power the leds.