Odysseus Hand
The Odysseus Hand was developed for a young boy in Greece. Departing from the traditional five-finger design, the “Ody” hand instead uses three fingers to reduce the force necessary for grasping.
Assembly Instructions
The most up-to-date files are available for direct download here. Assembly is very similar to that of the Talon Hand. From the Thingiverse page, for a hand printed at 100% scale:
Wrist hinge: (2) 8-32 x 5/8″ flat head hex screw; (2) 8-32 nylock nut
Anchor mount: (3) 3m x .5 x 8mm flat socket cap screw; (3) 3m x .5 cap nut
Cable anchor (3) set screws 6-32 x 1/4
Cable guide: (4) truss head sheet metal screws #4 x 5/8
Palm leather mount: (16-20) truss head sheet metal screws #4 x 3/8
Leather to arm bars: (8) 6-32 x 3/8″ flat socket cap screw
+ a layer of 1″ nylon webbing: (1) 6-32 x 7/16″ flat socket cap screw
+ 2 layers of 1″ nylon webbing: (1) 6-32 x 1/2″ flat socket cap screw
3 pieces, each ~a foot long 0.05″ round trimmer line (landscaping type) for the cables. Fingertip ends of the line are melted into balls with a lighter so that they catch in the tips.