Noise isolation feet for 2020 corners

The cooling fan on my Tronxy X3 resonated through my table and floor in my print room above my living room providing a constant hum. Thought I hearing things for a while. I developed these feet to reduce the vibration and quiet my printer down.

Three thicknesses--1.5, 1.6, and 1.8. Depending on your type of filament used and how much flex you might need. 1.6 should be good for most, but if your PLA is too stiff, you can drop down to the 1.5. If the feet seem too soft, you can jump up to the 1