This is an easy two part print.
Print the handle and star in the given orientation. I recommend using a semi translucent filament for the star. Support is recommended in the star to support the topmost hole layers.
You can use one of those cheap LED tea lights with a diameter of up to 40 mm. (I strongly believe they are all the same size. :D
Important: DO NOT USE REAL CANDLES or you can have an indoor BBQ. ;D