See the following link for video demo.
See assembly instructions in photos.
Adjust the offset angle between the cams to change the configuration in which the wings flap.
Design intended for .4mm nozzle and <.3mm layer height.
Use organic style support material (touching buildplate only) on the base/head.
Use snug style support material (touching buildplate only) on the tail and the crank.
Print the wings upside down, flat on their backs.
Use random z-seam alignment on the cams.
The author marked this model as their own original creation.