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TurtleStitch is a visual, blocks-based programming environment for turtle graphics with a focus on embroidery file generation.

The generated patterns can be exported as a embroidery file (currently Melco/EXP and Tajima/DST are supported) or SVG vector graphic

TurtleStitch is based on Snap! Build Your Own Blocks written by Jens Mönig and Brian Harvey.

It uses webgl ThreeJS as rendering engine for performance as smooth as possible.

Try it

For full functionality run it from the TurtleStitch platform on

or the testing the current develeopment version integrated into the platform:

You can also try the latest development version from the git master branch via github pages (no cloud access!)

Acknowledgements / License

Snap! Build Your Own Blocks [] is a visual, blocks based programming language inspired by Scratch

Copyright (C) 2008-2020 by Jens Mönig and Brian Harvey

Snap! is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see

Want to use Snap! but scared by the open-source license? Get in touch with us, we'll make it work.