A cake structure is required when you are creating a cake that cannot support itself on its own. Known as gravity defying cakes, these cakes need some type of structure to support the layers above. A structure also allows you to build the cake outwards from the centre of the cake.
By using a structure, most of the weight of the cake is extended down to your main cake board. This can help eliminate movement cracks. Cracks can develop when the higher tiers place pressure downwards into the other cakes. Warmer weather helps speed up the bulging and cracking process.
This comes down to the size and complexity of the cake. The plastic structures from cake frame are suitable for smaller, light weight cakes. If you plan on creating a large, heavy cake it is a must that you use the metal structures. There is less flex in the metal structures and their weight carrying capacity is significantly larger.
The metal structure from Innovative Sugarworks have a fantastic array of spare parts available to purchase. This allows you to add to your investment and create a cake that was at one time a dream!