Here is a somewhat old-fashioned type of candlestick, which will print very easily. It will take you a little time to make the internal wiring, but nothing complicated!
Video here : https://youtube.com/shorts/K3riIdGn_ek
You will find in the file the "shopping list" necessary to make the entire candlestick, apart from the PLA that you must have ;)
Let there be light!