"Casual choice" is the concept of HACKberry. Commercial bionic arms have been expensive and restricted in choices. HACKberry takes a unique approach to overcome these problems. Instead of providing a final uniformed product, HACKberry shares the recipe to make such product. In other words, it open-sources all the design data online. In this way, users can save expenses and it opens room for devel
![HACKberry | 3D-printable open source bionic arm](https://cdn-ak-scissors.b.st-hatena.com/image/square/23772c8017e6d205ca675c76e765c1b3545bfc0c/height=288;version=1;width=512/https%3A%2F%2Fstatic.wixstatic.com%2Fmedia%2F5b7df8_fac1c56f52ac4136b9a53c04826966ac~mv2.jpg%2Fv1%2Ffit%2Fw_2500%2Ch_1330%2Cal_c%2F5b7df8_fac1c56f52ac4136b9a53c04826966ac~mv2.jpg)