@Marcin_679283 Works well. Removes a lot of the noise from movement and vibration of the chassis, but not the fans and motors, I'm afraid. Nice little project though and they will stay under my printer for sure.
@LeeMinall_99749 how you see it working?
Nice design. Printed in ColorFabb nGen TPU. Got to see how they perform now. Thanks for the design. (edited)