Molding.
2. Cut the orange horizontally 1/3, leaving 3/2 pedicels.
3. hollow out the orange meat with pedicle (note that there should be a white core in the middle of the orange meat, which can be used as a lantern twist.
4. Friends who use candles as lamps can hollow out/carve a certain shape on the orange peel (friends who use oil lamps can't carve, it will leak oil).
5, dry/air-dry (it is very important to be a friend of the oil lamp. After all, water and fire are incompatible and you should always check whether the skin is rolled over and pay attention to plastic surgery (air-drying is recommended).