Cut the paper cup into strips with scissors.
Cut the top of the strip into a sharp corner.
Cut off the bottom of another prepared disposable cups, and then stick the bottom part to the sharp corner direction of the above picture with double-sided tape.
Cut a circle around the cup with the bottom cut.
Cut out a circle of disposable paper cups and stick them on lanterns with double-sided tape.
Tidy up the shape
Make a small hole in the top, string the prepared thread, and finish.