The origami bat, by Andrea Mantler, is one of the best origami bats that I have seen, though it hasn’t come out very well for me 😦 Some of the creases are not great!
Unfortunately I wasn’t able to find the instructions online, but I did find a couple of tutorials to make it 🙂
Creator: Andrea Mantler
Difficulty Level: Intermediate
Tutorial Link: Youtube
Paper Size: 6 inches square