Paper Pieces for English Paper Piecing

3-1/2" Clamshell

3-1/2" Clamshell - Main image
3-1/2" Clamshell - View 23-1/2" Clamshell - View 3
$5.18 $7 In stock

The 3-1/2" Clamshell from Paper Pieces is a classic English paper piecing shape, ideal for creating curved, organic layouts with precision. Choose from a range of seam allowances and windowed options to suit your handwork style, or select a convenient pack size for your project needs.

  • Available with a 1/4" or 3/8" seam allowance, or a no-seam option for fussy cutting and layout planning.
  • Windowed versions (1/4" or 3/8" window) allow for precise fabric placement, making it easier to feature specific motifs.
  • Packed options include Small Pack (20 pieces), Large Pack (120 pieces), and Bulk Pack (240 pieces) for larger projects or group use.
  • Brand: Paper Pieces, known for quality paper shapes in the English paper piecing community.
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Sofia R. ★★★★★

The pre-cut paper pieces are remarkably crisp and hold their shape perfectly when I baste around them. I chose the windowed option and it makes removing the papers a breeze once the seam is sewn.

Alexander N. ★★★★★

I’ve been using these for a curved quilt border and the variety of seam allowances saves me so much trimming time. The paper holds its shape perfectly through multiple folds without tearing.

Matthew L. ★★★★★

The windowed option is a total game-changer for seeing exactly where your fabric lands, and the precision of those curves is spot-on. I’ve already started three different organic layouts with these, and they hold their shape beautifully through every seam.