Here is a custom 30.5mmx30.5mm adapter for the Piko BLX 20mmx20mm from Furious fpv. It is printed in TPU (ninjatek) to protect the flight controller from vibration and shock. Store EU: https://www.drone-fpv-racer.com/piko-blx-micro-flight-controler-furious-fpv-980.html https://www.facebook.com/Microdure/