FREE TO USE PATTERN TOOL

Turn 3D models into 2d Patterns for Sewing and foam patterns.

PatternLab 3D is a free alpha trial for taking 3D models and creating 2D patterns for puppets, cosplay, and sewing. Sample STL files are included in the examples folder.

Download PatternLab

Raw pig head STL model with a drawn boundary line in PatternLab — Raw model

PatternLab model view with a selected surface region and strain heatmap — Surface strain

Flattened PatternLab sewing pattern with a dart cutout and grainline — Darted pattern

Fabric pattern test pinned on a plush pig head — Fabric test

SEE IT IN ACTION

See it in action.

WHAT IT DOES

Turn 3D models into 2D patterns for Foam or Fabric projects.

Draw on STL models

Mark pattern boundaries and darts directly on the model surface with local browser-based editing.

Flatten with geometry tools

Use local Python geometry libraries to unwrap selected regions into editable 2D pattern shapes.

View stress maps

Use stress maps for precise dart creation before exporting your pattern pieces.

RUN LOCALLY

Install or unzip, then launch.

macOS: download PatternLab-macos.zip
Windows installer: download PatternLab-Setup-windows.exe
Windows portable: download PatternLab-windows.zip

PUBLIC BUILDS

Get the latest packaged app.

PatternLab is free and open source. Buying me a coffee helps cover build, testing, and release work.

macOS Download PatternLab-macos.zip Windows Portable Download PatternLab-windows.zip Windows Installer Download PatternLab-Setup-windows.exe Support Buy me a coffee for PatternLab development Community Join PatternLab3D Users on Facebook