template
tem•plate n /ˈtempleɪt
1 a shape cut out of a hard material, used as a model for producing exactly the same shape many times in another material
Pressing the template firmly down on the plastic, cut around it with a knife.
2 a thing that is used as a model for producing other similar examples
If you need to write a lot of similar letters, set up a template on your computer.
In our DNA we all carry a genetic template for the next generation.
The director uses his own childhood experiences as a template for the movie.