Harmonograph
Damped-pendulum Lissajous curves that spiral into delicate meshes.
Two damped pendulums trace a slowly decaying Lissajous mesh.
About Harmonograph
A harmonograph draws the motion of swinging, slowly damping pendulums, producing delicate looping Lissajous figures. Adjust the frequencies, phases, and damping of each axis, reshuffle for new forms, and export a high-resolution PNG.
How to use Harmonograph
- Adjust the parameters. Use the side panel to shape your Harmonograph design in real time.
- Explore variations. Press Randomize to discover new variations, or copy the share link to reproduce an exact result.
- Export. Download your artwork as a high-resolution PNG.
Frequently asked questions
What is Harmonograph?
A harmonograph draws the motion of swinging, slowly damping pendulums, producing delicate looping Lissajous figures. Adjust the frequencies, phases, and damping of each axis, reshuffle for new forms, and export a high-resolution PNG. It runs entirely in your web browser on GeoPatternLab, free and with no sign-up.
Is Harmonograph free to use?
Yes. Harmonograph on GeoPatternLab is completely free, with no sign-up or download required. Create as much art as you like and export it directly from your browser.
How do I download my Harmonograph artwork?
Use the export buttons in the toolbar to save your work as a high-resolution PNG image. Files download straight to your device.
Does Harmonograph work on phones and tablets?
Yes. Harmonograph is fully responsive and works with touch input on phones and tablets as well as with a mouse or trackpad on desktop.
Can I use Harmonograph artwork commercially?
Yes. Artwork you create with Harmonograph is yours to use for personal and commercial projects, such as wallpapers, prints, textiles, and teaching materials. See our Terms of Use for full details.
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