My moms likes a small semi-confined spaces too. Two shared an old camper topper, one an old small brooder house, and another liked it under a rambling rosebush. Do count your eggs, and it'll be interesting to see how your incubating process works! I bet money you won't have many shrink wrap issues.
2 are first yr. brooders so I don't know how much I will fiddle with them. Lilly will let me look and count..but I will make sure everyone is settled in nicley before I go nosing around.. I will keep you posted though! Come on babies here!