Originally Posted by grumpy90650
one of the keys is the ironing of the seams in the 'right' direction, this will help with the nesting of the seams when you sew them...
and I would add---gently press seams "as sewn" to set the
stitches--then press to the side needed. another thing that
sometimes people do not notice is that sometimes you tend
to go narrower at the end of a seam (or wider, usually narrow).
so, your seam looks like 1/4",but it is off just where you will
match the SA. make sure when you press that you do not
have a minute "fold" on the seam.