I do the reverse and put the white (softer/lighter weight/thinner fabric on the bottom because the
feed dogs seem to be what is stretching them. I really also think a heavier weight white would really have helped you here because it's obvious your piecing is superb.
Jan in VA
Originally Posted by
Bree123
Agree with all the wonderful advice that's already been posted. Also, might help to put the white fabric always on top when you are sewing it together with a colored fabric. That will help reduce how much the feed dogs can pull on it. I starch all my fabrics quite heavily & have had good luck with cutting & piecing by doing so.