Rare find

Harmony. A drawing tool that creates pictures from rules and patterns instead of hand-drawing.

mrdoob.github.io/harmony

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Updates

July 2026
  • Fix overlapping opacity dots by redrawing stroke as single path (#13)
  • Save drawing as a download instead of opening a new window (#12)
February 2025
  • Move src files to root.
  • Rev 9
  • Simplified color selector code.
  • Added clipPath to colorselector to improve UX.
  • Color selector DPR support.
  • Clean up.
  • Improved localStorage usage.
November 2024
  • Fixed viewport meta.
  • Fixed localStorageImage.
  • Rev 8
  • Fix cursor offset on high DPI displays (#9)
May 2023
  • Update README.md
  • Rev 7
  • Added devicePixelRatio support.
June 2010
  • MIT -> GPL
April 2010
  • Basic README.md
  • Testing drap and drop feature for adding background image