The 1/4 inch seam has been difficult for me, if I use the guide on my foot, the block always ends up too small. If I do a scant, I have to cut off to square the block. Go figure, I can't. Sometimes I do think my guide on the foot flexes and that is no help at all. I think my next criteria for a new machine is to try it out and see if the 1/4 inch is exactly that.