For an online-course, I built an animatronic head. The mechanics were designed in Autocad and printed on my Zortrax M200.
The design. It includes eye movement, eye blinks, eyebrows and mouth movement.
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Parts fitted inside the "underskull".
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Printed parts.
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Parts mounted in the underskull.
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Finished piece.
https://www.youtube.com/watch?v=5Eb2fKwQFsE