Restaurant Table Levelersby
Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3559550.
Table at your favorite restaurant rockin'? No more. Just pick the appropriate thickness and shim that leg. Still un-level? Use another on the opposite leg. Eat/drink in peace.
I have the wife keep a few in her purse. I usually leave them. Floors can be dirty.