The mobility gear used by humans in the famous anime "Shingeki no Kyojin" (Attack on Titan).
It also includes the blades and handles that used by the human soldiers.
Omg wow... dude, you are amazing! Could i be able to use this model for my youtube video? It would be a video where i explain how a 3d manuever gear work. I will credit you in the video ofc. Thanks for your response.
amazing work :D