They're just fondant circles, and you wanna score the sides about 1/2" in to make a triangle. Then just fold the sides up and place them on your cake in a circle. Then just keep building from there. Hope that helped, lol. :)
how to pleat fondant - This the most beautiful, elegant fondant technique that I have ever seen!
Rolled up gumpaste flowers on a fondant cake. Scan from a magazine - no link.