Step 1: CD Rack
1: Make two 18x18 layers of flat plates.
2: Make this with blocks of 3 in height and 1 in width.
3: Add another layer on it, with flat plates with 1 in height and 1 in width.
4: Add plates of 1 in height and 2 in width like this.
5: Repeat this as many times as many CD's you want it to hold. End with a block layer, not a 2-width-plate layer.
6: Place two flat layers on top.
7: Insert CD's.