I have done this step since I learned from one of the quilting programs on TV. I do think it makes the block lay flat and makes for easier quilting.
Originally Posted by
ckcowl
setting your seams causes them to sink into the fabric and gives you more precise edges. the blocks will lay flatter- and be neater....also helps that 1/4" seam more (right on)
if you don't bother to set your seam before pressing to one side or the other the excess can be 1/8"---and that 8 times equals a whole inch!
so, if you are looking for precision- technical perfection- setting your seams is an important step