Odd Sweep Problem

In the the attached I have a turbine inlet taken off of blueprints.

If I do a sweep I get this horrible monstrosity:

Sweep apparently does not like the flared bell. I could build the bell separately but I was wondering if there is some way to do this all together?

Problem Sweep.zip (17.8 KB)

Hello -no, in fact I’d build this in multiple sections.


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To get the best result here, I think you’d actually want to make this from four different surfaces - you have a blend at the bottom which looks to be a blend between two straight sections of cut pipe - so ideally you make those from 3 surfaces, and then the flared portion at the top which absolutely should be its own surface - a revolve will do nicely there.

ETA - yup, what Pascal said