I used them the last 2 years in iowa and missouri hunting guiding.
Diy round bale blind.
3 sheets plywood 4 2x4x8 treated 9 2x4x8 8 4in rough pine boards 8 mil black plastic 10 small hinges for windows 1 36 piano hinge for door 5 inch fence staples 18 feet of 6 foot welded wire fencing paint 9 16 staples staple gun 1 25 inch course drywall screws 1 inch.
Make your own bale blind.
Jigsaw circular saw drill driver impact driver staple gun wire cutters.
You can purchase expensive hale bale blinds or you can make your own for a lot less.
That s how the original hay bale blinds are made.
Work great they can be put up that day and hunted from without negative reaction from most of the deer.
We started by doubling over one fence panel to get rough measurements for the base which we built with 2x6s.