Most braid quilt patterns have you cut the edges of the braid straight to assemble, which makes it easy; however, if you are wanting the braid effect throughout without the distinct straight edge between braids, then the set-in seams (y-seams) is the only way that I am aware of to achieve this. Obviously, time-consuming but stunning if you get the colorway right. Here is one that is pretty cool..
https://www.google.com/search?source...690JG6jX9eX_M: