While there isn't a single "official" paper model, many fans create DIY projects based on the song's iconic apple theme or its animated characters. How to "Put Together" Your Paper Project
Depending on which free resource you are using, here are the general steps for assembly: Xiaopingguo Free
remix - Ping Guo Xiang Dance Remix: A New Twist on Tradition While there isn't a single "official" paper model,