Flapping hummingbird

Flapping hummingbirdOne of the coolest birds has to be the hummingbird, with it flapping it’s wings quickly back and forth, rather than up and down. I tried to recreate that mechanism with a single rotational input. The result is this model, it might look a bit complicated, but it’s super easy to assemble. Just turn “handle” on the back and it'll flap it's wings, direction doesnt matter. Importantly a 3mmx20-28mm screw is needed for this. (you can try and print a 2.9 mm rod, but I can’t