[dinkledunk]

It works fine and lots of people do it, I have been using mine without issue for a few years now. It helps to put a concrete slab in it, but it's not necessary. The lack table does have a tendency to amplify the noise though.

Here is a guide by Prusa to build one for their printers: https://blog.prusa3d.com/mmu2s-printer-enclosure_30215/

[nibbleshifter]

Unsurprisingly, the same issues arise with precision scales/balances as do with printers. Having a big heavy base is useful!

I know of a few places that just procured literal blank marble gravestones as a "base" for their analytical scales at a cost far less than the usual mass-damper bases sold to labs.