Originally Posted by Unlimited
That IS a buttercream cake, and it's not combed. It's done with a petal tip, like #104, and each progressive line is piped all the way around. See the few white lines that are randomly added between the colored lines? You can't get that result using a comb.
I agree with "unlimited." When I looked at the cake, I knew it was buttercream and I knew it had to be piped because of the white line incorporated on each tier. There is no way you could get this by using the comb.