In this tutorial I'll show you how to make a Mad Hatter's Hat Cake Topper. It can be used as a decoration or a top tier. If you want the hat to have cake inside, simply substitute the polystyrene with cake.
8.
Use pieces of lace (or a texturing mat) to texture the paste. Since the dummy is light you will need to support the dummy from the back gently with your hand. Place the lace as shown in the photo and use the other hand to press the rolling pin to the surface of the lace (rolling upwards or downwards).