FPP DesignOpen the app →
Public beta

Easily design foundation paper piecing patterns.

A browser-based tool to go from sketch to printable foundation papers.

Open the app →

No install, no account.Your work stays on your machine.

The workflow

A reference photo loaded onto the FPP Design canvas, ready to trace.

Step 1 of 5, Set up.

Load a reference image

Drop in a photo or sketch to trace over.

Seam lines being drawn over the reference image on the canvas.

Step 2 of 5, Draw.

Sketch the seam lines

Click to anchor a point, click again to commit a seam.

The block split into numbered, colour-coded pieceable sections.

Step 3 of 5, Solve.

Section the block

Let the algorithm extend your sketch and split the block into pieceable sections. Pin lines or pick a variant to steer it.

Pattern pieces filled with the chosen fabric colour swatches.

Step 4 of 5, Color.

Choose fabrics

Assign a color to each piece. The block recolors instantly.

Exported PDF page showing pattern pieces and the assembly plan.

Step 5 of 5, Print.

Export to PDF

Export pattern pieces with an assembly plan, color key, and fabric estimates.

Based on research by Mackenzie Leake, Gilbert Bernstein, and Maneesh Agrawala.Read the paper →