ORCA Dexterity, Inc. · Robotic hands and grippers

ORCA Hand

An open-source, tendon-driven robotic hand for research applications

Overview

This five-fingered robotic hand offers 17 degrees of freedom, driven by 17 actuators and tendon mechanisms. It is available as a research platform with an open-source design, providing options for self-assembly or pre-built units. A tactile-sensing variant is also offered.

Specifications

Deployment Stage
Research platform
Weight
1.1 kg (base); ~1.25 kg (Touch)
List Price
From $3,500 (Feetech actuators); $4,500 with Dynamixel; Touch variant $6,100–$7,100
Fingers
5
Actuated degrees of freedom
17 (16 finger actuators + 1 wrist)
Total degrees of freedom
17
Actuation
Tendon driven with Dynamixel or Feetech actuators
Tactile / force sensing
None on base; 351 taxels on ORCA Hand Touch (Hall-effect 6D force/torque per taxel)
Buying format
Research / open source

Where it performs

  • Open-source design with comprehensive documentation for self-builds
  • Multiple actuator options and a tactile-sensing variant available
  • High degree of articulation with 17 independent degrees of freedom

What to check before buying

  • Base model does not include tactile or force sensing capabilities
  • Pricing varies significantly based on actuators and sensing options
  • Self-build option requires assembly from components using provided BOM

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