Help with Fillet problems and possible workaround :)

 From:  sep086
9596.1 
Hi guys, I am having problem filleting this long edge around the object.

I do realize this is maybe to hard for the filleting engine to calculate.

Is it there some kind of a workaround so I can get these edges smooth?
This is really important for me and my workflow.

Thank you! :)

Andrey