Not sure they are "swags".. looks like they a could just be overlapping strips of fondant?
I think they're just strips too, but it looks to me like both edges of each strip was folded over a bit to give a more rounded and finished look to the edges.
(Slow moment) why didn't I think of that. I have been making big sheets of fondant an then folding it over to do the pleating. I feel so dumb. Lol.
I did try to do individual parts but I didn't think of folding over the edges and overlapping each piece. Good thing its for a dummy cake and not a real one! Stripping the fondant and starting over now.
Thanks for the advice!
can't wait to see the finished product, that cake is GORGEOUS!