Achieve perfectly consistent 1/4" seam allowances every time with the Add-A-Quarter Plus Ruler by CM Designs. Designed by Carolyn McCormick, this precision quilting ruler is an essential tool for paper piecing, EPP, and any technique that demands accurate seam trimming and clean fabric placement.
Key Features
Specially designed lip holds firmly against fabric edges for accurate, repeatable cuts
Tapered edge provides a straight reference line for placing the next fabric piece
Adds a precise 1/4" seam allowance to piecing templates in one pass
Available in four sizes to suit your project scale
High-visibility yellow colour for easy placement on fabric
Available Sizes
6" — ideal for small blocks and detailed work
12" — versatile all-purpose size
12" Plus — extended reach for larger templates
18" — for long straight cuts and oversized blocks
Free shipping on Fabric orders over $250 CAD
Free shipping on Domestic Sewing Machines within Canada
Most items are in our brick and mortar store, but note some items will be shipped from a warehouse location
