Share a little about the materials, processes, and techniques used to create this cake Use gum paste instead of modeling chocolate, will try teacher's you tube modeling chocolate for the next gravity defying cake. Use alumin tube instead if copper as unable to get copper tubing in my country. What are you most proud of? A new skill learnt from great teacher! What advice would you give someone starting this project? Planning is important for making such structure cake. Essential tools are required and better to use modeling chocolate as fondant cannot get seamless ending.