re: What technique is used here?

I just saw this cake on Pinterest. Here is the link to the original site.
Not sure if you have this, but thought it might be helpful.

http://www.brides.com/brides/2011/09/americas-most-beautiful-cakes-brides-magazine#slide=14

Miriam, New Zealand http://www.facebook.com/CreatedandCapturedByMiriam