I was never able to get an exact 1/4" on my sewing machine unless I moved the needle to the left. The problem with that was if I forgot to move the needle when I turned my machine on then my seams would be different sizes.

I realized, just a couple of weeks ago, when I turn my machine on it is actually set at a scant 1/4".....so now I just leave it alone. I tend to agree with Jenny.....just be consistent.

No wonder I couldn't match the seams and had to spend so much time with my best friend (or my worst nightmare)...here's a picture of it:

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