Someone posted a knock off recipe on CC quite a while back. I'm not sure how successful they were with the results, but since it's fairly cheap to make, you might want to experiment with it. This was posted by
redhotmomof3:
3 egg whites
1Tbsp Cream of Tartar
2lbs Powder Sugar
1 pkg Gelatin (dissolved in a little bit of water)
2 cups MM (melted)
I mixed the first 3 ingredients together for 10 minutes as if making royal........then added the Gelatin, then the Marshmellows..........beat until it is stiff enough to pipe ( maybe 5 more minutes or so)
Here's the thread where they talk about sugarveil and what the exact ingredients are:
I think I may have cracked the Sugarveil recipe......Maybe CakeCentral.com