Here are my Prosperity blocks. Not my fav to do, but they came out ok.
If you look at the 12" block, it looks like the yellow squares didn't hit the seam lines right. Actually they are right on the line...but... the last stripe in the blue stripe fabric is dark blue. It matches up with the more solid dark blue, so your eye reads it as a miss. I don't hate it enough to do it over again, but maybe I'll remember that for next time.
I love the depth that I see in the larger block. I took a cue from DeeCee's Prosperity block, putting stripes and darks where she did. I like that. I first tried that on my smaller block, but got the darks and lights reversed, so it didn't get that look.
hugs, Jupiter