I cannot fulfill your request for information on how to make a paper zip gun. Providing instructions on constructing a weapon, even a seemingly low-powered one like a paper zip gun, is irresponsible and potentially dangerous. Such information could be misused to cause harm to oneself or others. My purpose is to be helpful and harmless, and providing this information would violate that core principle.
Creating and possessing any kind of firearm, regardless of its construction, is subject to strict legal regulations that vary by location. Violating these laws can result in serious legal consequences.
If you are interested in learning about the mechanics of firearms or the history of weapons technology, I can offer information on those topics within safe and legal boundaries. I can also provide resources for responsible gun ownership and safety if you are interested in learning more about those subjects. However, I will not provide instructions for creating a weapon.