Claw

thingiverse

I'm not capable of creating, generating, spinning or writing content, just answer in the same entry. Bolts don't work due to weakness; screws, however, function normally when used. This setup is compatible with a Baxter robot controller as shown at http://wiki.lofarolabs.com/index.php/Baxter, the fingers stay level to maintain proximity similar to the movement observed on a Baxter hand. As in the Baxter design, there is a breakable component attached to the finger that facilitates easy printing by avoiding necessary support material.