Yes, I created an Attic Window quilt using this technique. I think it is an easier method than the "Y" seams. However, it is very important to accurately cut and sew the half-square triangles, otherwise, the seams will not match up and your 3-D look of windows will not be accurate. I also used black trim to outline the windows, which helped wi[ATTACH=CONFIG]471584[/ATTACH]th the 3-d effect.