I picked up some old school-style children's chairs at a local resale shop -- but of course each chair was missing a foot.
I decided it would just be easier to remove all the feet and print replacements.
I printed mine in natural PETG, and that seems to be working very well -- of course nylon would be a good option, too.
You can print without supports if your printer is up to it, and the chair leg opening is small enough.
For what I was doing, I was able to do a plate of four feet in ~1:20.