Motor vibration damper / soft mount for drones

These dampers are meant to be installed between the motor and the arms of your drone to reduce the vibrations transmitted through the frame to the flight controller to make your tuning easier.

Its designed for standard 19mmx16mm hole pattern.

I know there are a few designs like this out there, but all of the ones I've found have a hole in the middle that is too small causing the circlip on my motors to touch the TPU/TPE. This isn't great for the circlip, which will cause it to wear out mor