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Aero Hand Open: A $314 Open-Source Tendon-Driven Dexterous Hand

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Aero Hand Open from Chestnut Robotics weighs 389 g and has 7 active degrees of freedom across 16 joints, three of them in the thumb. Cables run through the fingers like tendons, so one motor bends several joints at once. Open-source CAD STEP files, 3D-printable parts, firmware and a MuJoCo simulation model ship with the $314 kit; the fully assembled version is about $720. Still a research prototype, and long-term reliability is unproven.

Dexterous ManipulationRobot HandTendon DriveOpen-source hardware3D PrintingMuJoCoChestnut RoboticsTetherIADexterous HandTendon-Driven
Category: arm
Author: @techniahqrobot
Date: 2026-10-18T00:00:00
Duration: 100.5s
Source: https://x.com/techniahqrobot/status/2111917599676350693
Reference: https://github.com/Chestnut-Robotics/aero-hand-open

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