> they can now be made through points...
That is good I think. I'll switch to through (interpcurve) points.
It might change the tantan point of the conic a little?

Sorry about the .htm. They have not changed. My amateur "version control" really proliferates a lot of similar named files.
Using calendar date helps a little. :-)

With your fortran data point imports, are you now doing a hub, and adding on 8 blades?

What sort of aircraft engine do they power?

Do you contemplate any change to the outer edge?