Here is a simple vibration damper system using Tennis balls.

We published the free 3D models on thingiverse:

www.thingiverse.com/thing:1209709

It's Easy to use:

- print at least 3 of them (4 are of course better), and place them under your printer chassis.

Each model has a M6 screw hole so that you can use M6X12mm + TNuts to hold them in place

- place tennis balls under the feets

It comes with many Benefits:

• Reduces noise
  
• Reduces low frequecy vibrations
  
• Slightly increase print quality
  
• Give you moree space to use under the printer (for tools ....)
  
• Fun to use

Enjoy!