1, circular arrangement: arranging candles in a circle on the cake can form beautiful patterns. Candles can be placed in a big circle or in a small circle.
2. Number placement: candles are placed on the cake according to the shapes of numbers 1 and 8 to form obvious numbers 18.
3. Letter placement: If the birthday owner's name or nickname contains letters 1 and 8, candles can be placed in the shape of letters on the cake to form personalized decoration.