Conversation so far:
What was the reception for the film Hugo like?
The film Hugo received critical acclaim and 11 Academy Award nominations, more than any other film that year, and it won five awards.
Did the film Hugo have any criticisms?
Critic Peter Rainer said, Hugo is a mixed bag but one well worth rummaging through. Christy Lemire called the film Hugo slightly repetitive and overlong“
What did major movie websites say about the film Hugo?
Rotten Tomatoes said, Hugo is an extravagant, elegant fantasy with an innocence lacking in many modern kids' movies, and one that emanates an unabashed love for the magic of cinema.“
What made the film Hugo so great?
Maillardet's automaton was an inspiration for the design of the automaton in the film Hugo.

Question: How did they use it for 3D?
Self-contained rewrite: How did they use the Mailardet's automation design for 3D?