The fold that in half.
Then fold that in half.
Fold it in half one more time. Cut it up with different shapes. You can actually search for a template to get some ideas. Once you start cutting and opening the filter up you can see how you need to cut the filter. Have fun!!
We then laminated about 20 big and small snowflakes to put on our front glass door.
Doing the Happy-Snowflake-Dance!!