Bionic robot hand v3 - 5 linkage fingers, N20 lead-screw drives, human size, TPU covers (prototype)

A **human-size robotic hand** built from five identical finger modules. One small N20 motor closes a whole finger through a lead screw and two four-bar linkages - no strings, no servos, and the grip **holds with the power off**. **STATUS - please read: this is a PROTOTYPE.** It was designed and checked in CAD (collision checks through the full finger travel, wall thickness, watertight meshes) but has **not yet been test-printed and assembled by the author**. Expect to tune clearances for your p…

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