Flow Field
Evenly spaced streamlines through noise, curl, vortex or wave fields.
Pens
Color follows flow direction, position or patches of noise. Starts with 4 pens and works with anywhere from 1 to 8.
Settings
Field, Feature size (mm), Turbulence, Octaves, Vortices, Spiral twist°, Spacing (mm), Density variation, Closeness, Min length (mm), Max length (mm), Step (mm), Split pens by.
The preview uses the default settings on A4. Press R in the app for random variations. The SVG export is in millimetres with one Inkscape layer per pen, so it works with the AxiDraw extension, vpype and saxi.