Wrong Thicken side grashopper

[samlas123 (s.)]

I want to thicken middle part, I tried reverse but unfortunately that didn’t get the right result.

GH and Rhino files:

[ME_Mark]

there is no gh file.

[samlas123 (s.)]

Hi mark, indeed, I changed the link!

[ME_Mark]

This could be a way.reverse_ME.gh (5.1 KB)

[samlas123 (s.)]

Thanks!