Originally Posted by Caro
Will thread make a difference? Wouldn't a thinner thread such as Aurfil, take less space, therefore making a scant quarter inch seam...or almost? Just a thought.
Depends. Aurifil makes a lot of different thread weights. I have 3 different Aurifil thread weights. And they make more than that. All will affect the seam allowance in a different manner and what you'd need to do, or not do with the needle to get a scant 1/4".