Answer:
A model is a small exact copy of a thing.
Explanation:
I answered this question, please refer to your other question :)
Answer: the 4 factors of fair use
The purpose and character of the use, including whether such use is of commercial nature or is for nonprofit educational purposes. ...
The nature of the copyrighted work. ...
The amount and substantiality of the portion used in relation to the copyrighted work as a whole.
The effect of the use upon the potential market for, or value of, the copyrighted work
