Canvas-sketch – A framework for making generative artwork

is a loose collection of tools, modules and resources for creating generative art in JavaScript and the browser. While in the browser, hit or to export a high-resolution PNG of your artwork to your folder. When exporting the image in browser with or keystrokes, the saved PNG file matches 21 x 29.7 cm at 300 DPI, and can be printed with archival ink on quality paper.

Source: github.com