Gripper Thumb Terminal Device
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The Gripper Thumb Terminal Device is a do it yourself 3D printable prosthetic designed for use by individuals with upper extremity disabilities and hand amputees. The Gripper Thumb TD allows the user to grasp and release objects using the unaffected hand rather than a Bowden cable. Pressing an object against the frictional surface of the thumb tip can force the thumb to be pulled away from the fingers for an object to be gripped. Tasks with small objects (such as taking the nut off of a machine screw) or with large objects (such as opening and closing a jar, tube or bottle) can be undertaken this way.
Size: Standard palm size.
Materials: 3D printing material.
Printing has been successful with SLS in nylon and with FDM in nylon, ABS, PETG, Cheetah and Armadillo filaments. Print the palm on its side with support when using FDM. The thumb also needs support during printing.