Add-A-Quarter 12in Plus Quilt Ruler – CM Designs Foundation Piecing Ruler

Description

Achieve perfectly trimmed seams and accurate blocks with the Add-A-Quarter 12in Plus Quilt Ruler by CM Designs — one of the most trusted tools for foundation paper piecing.

This specialized quilting ruler features a unique tapered lip that automatically adds an exact ¼-inch seam allowance after folding back your paper pattern. Instead of guessing seam widths or struggling with rotary trimming, the ruler locks against the folded edge so you can trim fabric quickly and precisely every time.

The 12-inch length makes it ideal for longer seams, borders, and larger foundation pieced blocks. The clear acrylic construction allows excellent visibility of fabric and stitching lines, while its lightweight design makes it comfortable for extended quilting sessions.

Whether you're making intricate foundation paper pieced quilts or simply want sharper, more accurate seams, the Add-A-Quarter ruler dramatically improves both speed and accuracy.

How It Works 

1. Sew your foundation paper piecing seam

2. Fold the paper pattern back on the seam line

3. Place the ruler lip against the fold

4. Trim fabric with a rotary cutter

The ruler ensures a consistent seam allowance every time.