Originally Posted by
quiltedsunshine
Just take a piece of cardstock (an index card works great for small squares), lay it on the fabric from one corner to the other and sew along the cardstock edge. By sewing next to the edge, you can get a perfect "scant" 1/4" seam.
I like this idea. It would be even better if the cardstock had some sticky stuff under it, as in sticky notes. Then it wouldn't slip. I've never seen sticky notes in heavy paper. Maybe it would work with the light paper. Time to try it.