Fan modeling

Thanks for the PCs, it helps me a lot. I don't know the surface well, and I tried to make my squadron in volume. And that's why I can't do it.

Good evening

Do you want a geometric line such as a geometric, 4-centered, ionic volute? (curves and connections)

 

I use SpaceClaim and I think that a variable section scan on two rails would be enough, but I'll let the SolidWorks technicians answer you on the subject....