I used to follow a lot of those kind of lofi minimalist sites 10+ years ago.

I know of a few that might be good, but I don't recall their names, but will now keep an eye open.

Off the top of my head I'd consider looking up Amish, Mennonite, old Quakers, Pennsylvania Dutch (some of my heritage), and similar sects, along with homesteading, 19th century settlers, and survivalists with necessarily very different adaptive experiences depending on their/your region.

I love love love Earthships, but don't know of any that are "pre-industrial primitive". Now that might a novel experiment worth doing, documenting, and building new alt-communities around.

I could list a bunch of YouTubers doing it for themselves, including some of my faves ^{1 2 3 4 5 And more not on hand} , but they're all too modern, renovating homes, tiny homes, living on boats, making furniture, etc., etc., etc,. When Kris Harbour, the first I linked, finishes his hydroelectric system build series I was going to compile and post them together. Not "simple" or decomplexified with a lot of math for max efficiency. Nor cheap.

I'm going to be asking all my local prepping groups for pre-industrial resources.