I'm an old drafter, learned on the board then 2 decades on CADD.
Looks like you may have some experience there too?
Odd scale tho, follows your other number splitting ;)
Noted scale doesn't really match the dimensions,
could get you in trouble, and drive you nuts, once you start to build.
I...
When it literally ruffles the feathers of birds on roost.
Here's a pretty good discussion:
https://www.backyardchickens.com/threads/ventilated-but-free-of-drafts.1048597/
I do not glue or nail anything, deck screws all around,
in case for when you have to 're-do' something.
If you need more structural screws, by the proper pilot bit for the screws you intend to use.
Don't fraction your math so tight, leave room to grow your flock.
'Only sleeping and laying' in...