Following a post on the forum, and with me not knowing what one was, I did a search and found the formula so thought I'd have a go in AL, nothing fancy but was fun trying (apart from a one problem posted in another thread which was a real pain).
Not 100% accurate (about 0.0001mm out) and needs more work to make it user friendly, the red line is a polyline drawn using AL's AddNode command
## Edit ## video replaced with new version ## End Edit ##
https://youtu.be/kwYJO7VRaTMAndy