d3-spirograph
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nylen
d3.js spirograph - https://nylen.io/d3-spirograph/
d3-spirograph
This is a d3.js simulation of the classic Spirograph toy.
The application draws an SVG of a
hypotrochoid curve
using multiple path elements rather than just one with a stroke and no fill.
It's designed this way so that the resulting SVGs can be converted to
3D-printable files using the
paths2openscad Inkscape extension.
This works better with simpler curves and thicker lines:
nylen