I wouldn't even bother making templates for that pattern. It is a simple wonky star. You are correct it is a great way to use up a lot of scraps and odds and ends. This is the kind of pattern where it is fun to just fly by the seat of your pants. MSQC has a you tube video on wonky stars and there are also many blog tutes on it. All that you really need to keep in mind is the units with your star points, which look to be squares, are uniform in size.
Here are links to some tutes
http://janesfabrics.blogspot.com/p/wonky-star.html
https://www.youtube.com/watch?v=eMoE5-q1lP4
http://www.sewmamasew.com/2013/01/wo...lock-tutorial/