If this is a request for a specific file from a forum, I recommend checking the original platform where you found the link, as "part3.rar" indicates it is one segment of a larger split archive.

I was unable to find a specific paper or scholarly article titled "1st cumming of the orange.part3.rar," as this phrasing is most commonly associated with compressed file archives (RAR files) found on file-sharing or community-driven forums rather than academic repositories.

If you are looking for academic research or helpful documentation related to a specific subject, please provide more details about the actual topic—such as agricultural science (oranges), political science, or a specific technical field.