Hi again everyone!
I posted yesterday about doing buttercream swirls on a wedding cake. Change of plans! I will now be doing the swirls out of fondant (or gum paste). Which would be better? Also, is there a mold out there that is good to use, or should I do these by hand? Your help is much appreciated!!
"Swirls" is a very subjective word. Attach a picture so that we can offer advice that would achieve what you are trying to do. I read your other post and I thought at first you meant scrolls because it was a wedding cake. Once we see it, it would be easier for someone to steer you in the right direction. 
Scrolling type swirls maybe? I have only used fondant but know that gum paste is supposed to dry harder. I hear a lot of people mixing the two to get a really good consistency... I would say if was scrolls you could do it by hand. The scrolling I see is random, not mirrored or butterflied if you know what I mean? But idk maybe there are molds for that.
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