2. Insert the small cylindrical bracket into the small hole on the disc and tighten it.
3. Put the cake at the bottom.
4. Put the second layer of disk, and use nuts to fix and lock the second layer of disk with the small cylindrical bracket at the bottom.
5. Put a small cylindrical bracket on the second disk, tighten it, and put the cake on it.
6. Repeat the above steps until the last bracket. Then, decorate the edge of the cake, so that the multi-layer cake is finished.