This design is suitable for all CR10s that have the anti-vibration feet mounted with 3 x M4 screws.
With non additional hardware, you can swap these with the orginal one.
Just buy 4 squash balls and you're done.
UPDATE MARCH 2019
I apologize for all the problems the old model may have caused, of course I didn't noticed since I was lucky enough to having no issue printing it myself.
I corrected the model so now it's perfectly straight on the floor! Plus I've added another couple of holes so now It's suitable for who has a 3 or a 4 hole fixing.