Wonderful blocks -- your piecing is very precise and I love your colors. I'd do the sashing in a print that picks up both colors (with a little white, too, if possible), with cornerstones. It would really showcase your blocks. Please post a picture when complete - I can't wait to see the finished quilt!

Such nice precise work! I had to smile when you said this was for your grandma. Here we are making quilts for our grandmothers. Didn't it used to be the other way round? I'm so glad the art of quiltmaking is alive and well again.

And I agree, sashing and cornerstones would really set those stars off. You might even consider using your background fabric for sashing, with either the yellow or blue (or alternate both) for cornerstones. It would make the stars "float". Just a thought.

sash it sash it sash it lol. love your blocks, can't wait to see how you finish it off.,