This has been a very interesting read. I have been trying to figure out a good isolation coop for my broodies coming next spring and I own a bottomless, hinged top 'coop' that is ideally sized for a hen to be able to walk about and do her thing while sitting so I think I will use this on bare ground in the enclosure (has mesh buried 6 inches below the decomposed granite base) so she can build to suit, her own nest! Thank you for taking the time to write this article!
Hens go broody when you don’t want them to… and won’t go broody when you do.

I would like to introduce a similar system that I could use in a coop.