Thingiverse

Ender 3 Isolation Feet by Linium1
by Thingiverse
Last crawled date: 4 years, 4 months ago
Mounts for Ender 3 (no doubt many others) for the use with 30 - 32mm sorbathane isolation mounts.
Knocks down noise and aids with sitting printer on a less than ideal surface.
Will be a tight fit in rails and small hammer will help to slide it in the rail.
Here is an example of the type of feet to purchase.
https://www.ebay.co.uk/itm/4-SORBOTHANE-1-1-4-inch-32mm-1-25-VIBRATION-ISOLATION-FEET-PODS-Hemisphere-50D/370854103943
Knocks down noise and aids with sitting printer on a less than ideal surface.
Will be a tight fit in rails and small hammer will help to slide it in the rail.
Here is an example of the type of feet to purchase.
https://www.ebay.co.uk/itm/4-SORBOTHANE-1-1-4-inch-32mm-1-25-VIBRATION-ISOLATION-FEET-PODS-Hemisphere-50D/370854103943