I am having the same issue with Sweep command.
I am in Weldments environment and Sweep command doesn't work.
I will try the Frame environment to create it..
Great to be able helping
The only downside in using frames frames is not being able to define different radii for bends, but you can in XPresRoute.
For flexibles in frames, I usually place a spline curve for the path - gives a much more realistic result.
this IMHO isn't true.
You also can define every bend radius on every corner, as You like.
and here You have a short video showing this: