How can I extract and extrude an outer curve?

 From:  bemfarmer
8906.6 In reply to 8906.5 
Hi Supagoat,

Using the NACAAirfoilGenerator script here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=8814.101
with "Construct" "Offset" command seems to make a uniform thickness "skin".

"Scale" command does not.

- Brian