Hi everyone! I need to make a cake for 100 ppl. It´s a 3 layer cake, I´ve found tutorials on how to stack cakes, but what I don´t know how to do is to cover the cake with the base underneath, Im afraid that the base will be noticeable. It has a hello kitty topper wich is very heavy, should I add an additional support on the top layer??? I think it will be better if I stack the cakes when I get to the event I will prepare them with the dowels before the filling Im using is dulce de leche wich is the most common in my country I hope this filling will hold the cake properly. Thanks in advance for your help Here is the cake I designed using photoshop

Thank you so much for your reply! Im sorry the cake was a 3 tier cake, not 3 layers. I used a cardboard base in each tier wrapped with aluminum foil. I cut the boards slightly smaller than the cake. The 2nd tier gave me a lot of trouble, the fondant on the bottom was loose I guess the base should have been bigger? But when I placed the 3 tiers together I wasn't that obvious. I actually placed the dowels after the filling but before the fondant and buttercream it worked just fine, is that the way you are supposed to do it?