Aero Hand Open debuts as a $314 open-source robotic hand with 16 joints
TinfoilTricorn · x · 2026-08-04
Aero Hand Open: a $314 open-source dexterous hand
TetherIA’s Aero Hand Open is a lightweight anthropomorphic robotic hand built for affordable dexterous manipulation research. It weighs under 400 grams, uses tendon-driven actuation, and is priced at $314.
Key specs
- 16 joints driven by 7 motors
- 3 active thumb DoFs for opposition, pinching, and in-hand reorientation
- 100% backdrivable design for safer, more responsive control
- Position control, torque control, and inline tendon force sensing
What it can do
The team shows the hand picking up an iPhone from a flat surface, handling tiny M5 screws, pulling a drill trigger, opening a soda can, and even lifting a full 5-gallon water jug (18 kg). It also claims fast finger motion, including catching a flying tennis ball.
The project includes code, documentation, CAD files, BOM, and a shop link, making it a concrete open hardware platform rather than just a demo.
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