Here's the one attic window quilt I made. My pink sashing was also 1" . I do like how it turned out, but now I wonder if it would have had more of a 3-D effect if I had done what MarionsQuilts had suggested with the "windows" being all the same color , just different shades. Ummm.
https://www.quiltingboard.com/member...36-577690.html