This was a cake i was asked to do for a friend of mines friends birthday. he told me AFTER he'd asked me - "oh by the way, we're all architects!!!" no pressure there then!!! It's not perfect, but then again, trying to get the angles on the gherkin on a cake that is 20" tall is a mean feat in itself!!! It's made out of chocolate cake top to bottom and held up with quite a few supports i can tell you!!!