I built my own version of this about two years ago: https://dirkjan.ochtman.nl/writing/2012/11/28/tracing-a-path.html https://dirkjan.ochtman.nl/writing/2012/1

I built my own version of this about two years ago: https://dirkjan.ochtman.nl/writing/2012/11/28/tracing-a-path.html https://dirkjan.ochtman.nl/writing/2012/11/28/tracing-a-path... Python code available here: https://github.com/djc/galatna https://github.com/djc/galatna