HACKberry is a wonderful 3D printable bionic arm platform that could make life easier for a lot of people. Developers and artificial arm users can use it to come up with custom solutions for their needs. This smart prosthetic device can use a smartphone to process data from its sensors.
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HACKberry: Tying Shoe Lace
Users can fix broken parts by 3D printing new ones. This video shows how this bionic arm can be used to tie shoelaces.
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