Cut quickly and accurately with the Add-a-Quarter Ruler. The Add-A-Quarter Ruler helps you trim 1/4" seam allowances with a rotary cutter.  Ruler is 6" long. 

How to use the Add-a-Quarter Ruler while foundation paper piecing:

• After you sew each fabric to the paper piece block, trim a 1/4" seam allowance with a rotary cutter using the Add-A-Quarter Ruler's custom-designed lip as your guide.

The Add-a-Quarter Ruler is also great for adding a seam allowances to templates:

• Once your templates are made, Add-A-Quarter with its specially-designed lip will automatically add a 1/4" seam allowance and provide a straight edge for a rotary cutter.