Instructables
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This instructables shows you how to create a 3D model to keep your headphones from tangling in inventor.
You can download the model from http://www.filefactory.com/file/5njtkux8wlul/n/Untangle_Headphones.ipt

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very cool, have you made this in real life yet?
searx (author)  amandaghassaei1 year ago
Not yet, but I plan to in the near future.
http://www.instructables.com/group/free3d