In the last wip there are many error in make2d.
See the attached file
Make2dWip_Brocken.3dm (7.5 MB) Ciao Vittorio
@GregArden Did you see this?
I found the problem and fixed it. I also have rewritten a major piece of code that should fix the crash bugs you have reported as well as some other things. I am still testing that though so you might not see it next week.