Hummingbirds is a twin hummingbird automata that I designed, 3D printed and assembled for my wife who loves hummingbirds. Consisting of over 100 3D printed parts and 3 purchased parts, Hummingbirds is quite a challenge to print and assemble.
She loves it so I'm happy.
Video of completed project:
Video of Hummingbirds with the covers, stems and flowers removed in order to show the drive mechanisms: