Filetting Filigree

 From:  gunter511
11458.1 
Hey All,

Here's the design:



I'd like to round off or fillet the top sections of the patterns and have tried selecting edges and surfaces, but haven't been successful.

Could someone please explain how I can achieve this?

Many thanks in advance.
Gunter

EDITED: 18 Jul 2024 by GUNTER511