We learn from a handbook and take a test to prove we learned it where I'm from.

No, they don't, but we all know they've been told.

Further explanation is necessary, please. Which hole does the pine cone go in?

You made the tail weird looking too.

Take it to a custom framing store and ask if they'll trim it for you.

Someone felt like this should be down voted, but I did framing for years and trimming foam board for people was something we did frequently. OP, if you aren't in the mood to play with wire and a battery, this is your next best option for a clean trim.

Although, the fact you've already cut it down means there might not be space to make fresh cuts.