Step 1: Cake
Don't have cake boards? Neither did I. Cut a circle from a pizza box and cover it in tinfoil.
Step 2: Fondant
To get the fondant onto the cake, you first need to roll it out onto a sheet of plastic.
Then drape the fondant, still attached to the plastic, over your rolling pin.
Gently slide the fondant and plastic over the cake.
Peel off the plastic.
Smooth out the fondant to adhere to the buttercream.
Trim around the bottom. I use a pizza cutter.
Now cut out another round of fondant, this time leave it white.
Place it on top of the black fondant.
Step 3: Details
Place a strip of white gum paste+fondant (gumdant?, fonpaste?) along the top and bottom.
To get it to stick, dissolve a pea sized piece of gum paste in a teaspoon of water, or whatever you feel like. Once it is dissolved, you will have a sort of glue to use. Brush some on with a little clean paintbrush.
Add a few more accent pieces.
Now, the silver part.
To make it shimmer, you will need some silver dust you can find in cake shops. Mix a bit with vodka, not water, to make a paste. Water dissolves sugar, remember? The vodka will evaporate, leaving the dust.
Paint this paste onto your white pieces.