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Seamly2D open source pattern drafting software

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Princess Seam dress block

About Us

Seamly2D (pattern drafting) and SeamlyMe (body measurements) enable patternmakers and tailors to create custom-fit digital sewing patterns.

Join the discussion with our friendly global community on our User Forum in any language you wish.

Seamly2D and SeamlyMe are released under the GPLv3+ license as free and open-source software, downloadable from Seamly.io. You have the right to use, sell, share, and distribute your patterns in any way you wish.

Architecure and Downloads

Weekly releases are built every Monday 02:30 UTC and are downloadable from https://seamly.io. Seamly2D and SeamlyMe runs on the following architectures:

• Windows 10 and later
• Mac OS High Sierra 10.13 and later
• Linux Debian kernel version v5.0 and later, as AppImage and Flatpak.

Main Pages

• Seamly2D User Manual
• SeamlyMe User Manual
• Body Measurements
• Pattern Systems
• Sewing Definitions
• Problems and solutions
• Wiki pattern list
• Why Seamly2D?
• FAQ
• Glossary
• File Formats
• Command Line
• Roadmap
• Auxiliary Software

Tutorials

• Seamly2D Tool videos
• Curve Tools
• Creating Smooth Curves
• Simple Shirt
• Bell Sleeve
• Seam allowance
• Tutoriales en español Gratis

Block Patterns

• Block Patterns Introduction
• McCunn

Community Video Channels

• Seamly2D channel, English
• Boo Kai, English
• The Costume Maker's Guide to the Galaxy, English
• DancePattern, English
• DIY by miniil, English
• Grace de Man, English
• Meenakshi Verma, English
• Minimalist Machinist, English
• Plains Prepper "Creating a Backpack with Seamly2D", English
• Pneumarian, English
• Timelace Studio, English
• VeNove, English
• Club Couture, French
• Creation-mode, French
• Full Of Craft, French
• Sandrine Lecocq, French
• Sophie Denys, French
• Syllinah Patronne , French
• Sophie Montrichard, French
• Dina Werthenbach, German
• Cucito e Modelli, Italian
• Aram Lee, Korean
• LeedStudio리즈스튜디오, Korean
• Klaudia Prusińska Szycie Bielizny, Polish
• Costurando com Tecnologia, Portuguese
• Mariana Creativa Diseño de Modas, Spanish
• Olga Makaryuk (Ольга Макарюк), Russian
• -Fashion Patron @fashionpatron  Spanish
• Fashion Patron_ Russia @fashionpatron_russia  Russian

Developer Information

• Developer FAQ
• Code style conventions
• Technical decisions
• API documentation
• Problems and solutions
• Pull requests
• Development tools and how to use them
• Finding your way inside the source tree
• What to know before compiling
• Reporting Bugs
• Localization
• Preparation to release
• Adding new tool
• How to contribute
• Crash Reports
• Broken WIKI links

Links

• Press Coverage
• Presentations

How to Use Wiki

• Wiki text formatting
• Wiki markdown language
• Wiki image formatting