Here's a clever tip for sewing corners
 

This tip applies to sewing clothes, placemats or for quilting with
walking foot. I know there was a discussion a while ago about sewing
corners but I'm not sure anyone came up with a good solution. I found
a tip a few days ago on a blog. Sorry, can't remember where but if I
find it I will post it. Anyway, I tried it and it works perfectly.
You know when you turn and it misses a stitch?
Well, here's the easy fix. When you make that last stitch
before turning, put your needle down only half way or less,
turn your fabric then complete your stitch. I was so
happy to try this and it worked. Now I have square corners
instead of rounded ones. Yipee.
Hope it's clear.

I'm trying to understand... how were you doing it before?

Trying to remember this will be the hard part.

Before I would just put the needle down but I would always get a "rounded" corner.
Then I started using a very short stitch at every corner but that gets pretty tiring.

Another garment sewing trick for very square corners...stop stitching about 2 stitches from actual corner. Sew those 2 stitches diagonally then pivot and continue sewing your next seam. Clip the extra fabric from the diagonal and your corners will be much more square.

Interesting. Thanks for sharing, NJ Quilter.

Ha. Found it.
http://lizzielenard-vintagesewing.bl...g-corners.html

Ok after reading the link I get it now. Thank you for posting this!

I think I got this tip from Sewing with Nancy, but I just stitch off the corner,don't cut the thread, lift the foot, turn fabric and start again at the other side. I don't turn with needle down, just had too many problems with that method especially with those 1/4 seams.. Most of those corners get trimmed anyway, so for me a win win.

Thank you for sharing.