Add A-Quarter Ruler 1 1/2in x 12in
The specially designed lip on this ruler automatically allows 1/4 inch seam allowance to any angle for your rotary cutter. Great to use when foundation piecing.
when paper piecing and folded the paper the ruler will easily sit right next to fold and give you 1/4 inch
This is the one without the trapped edge it's only got the lip which is the 1/4 inch add on