Ladder Feet
thingiverse
They should fit neatly in place, taking over from the original footings. I'm counting on them working just as well for you! You might have to enlarge the file all the way up to a thousand times its normal size.
Download Model from thingiverse
With this file you will be able to print Ladder Feet with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Ladder Feet.