Bowden Extruder Isolated Shelf Mount

Does your shelf mounted extruder transmit every miscrostep into amplified sound through your shelf? Try this simple mount. 2 pieces 3mm close cell foam provide isolation from the shelf, making the extruder stepper motor dead silent. All I hear is a faint whir when it does a retraction.

Designed to fit the standard white shelves available at Home Depot and Lowes (as well as many other places) with some foam sandwiched between for the vibration/sound isolation. I included a pic with the shelf t