My take on articulated silhouette models of animals.
I've seen some similar models with wide open hinges but thought I'd try using a masked type hinge so you can't see through the hinge lines

Others in the series:
https://www.thingiverse.com/thing:2883121
https://www.thingiverse.com/thing:2883139
https://www.thingiverse.com/thing:2883140
https://www.thingiverse.com/thing:2883575
https://www.thingiverse.com/thing:2884666
https://www.thingiverse.com/thing:2883593
https://www.thingiverse.com/thing:2887728
https://www.thingiverse.com/thing:2887806
https://www.thingiverse.com/thing:2889402
https://www.thingiverse.com/thing:2889875
https://www.thingiverse.com/thing:2905842
https://www.thingiverse.com/thing:2916273
https://www.thingiverse.com/thing:2939352
https://www.thingiverse.com/thing:2939444