This is the first chapter on the developing of and animatronic head.
You can download the file from google drive. It's a folder with each parts as an STL file and another STL of the whole group as a reference. Be aware it's a work in progress, some details are not finished.
https://drive.google.com/file/d/1-mol...

I used inspirational images from:
   / @willcogley  
   / brickintheyard  
   / disneyresearchhub  
   / engineeredarts