Originally Posted by Geri B

The first one gets my vote. I hope you are going to paper piece the 4 components of the block......I personally think that would give the best accuracy. WandaVA's pictured quilt is great....there was a quilt book out several years ago and the author showed how to do these optical illusion blocks...her name escapes me, I had the book, but sold it at a garage sale....not something I wanted to try......but have fun doing it....