I have my butterflies fused with interfacingand have practised using a blanket stitch to applique but it is hard for me to keep the stitching consistently to cover the edge without going onto to the background square. Any tips on how to make my applique edging more accurate and less "messy"? Any way to use paper as a guide? Thanks for any advice. Pauline (I can't see where the edge is because the foot covers it up as I sew it.