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Robotic Hand Simulator

Rigid-link kinematic model · 26 articulated axes · 21 independent inputs

Visualize joints

Tap a part of the hand or a section to highlight it.

CMC Opposition / Rotation+8°

-10°+75°

Swings the thumb across the palm to oppose the fingers.

CMC Abduction / Adduction+26°

-8°+55°

Moves the thumb away from (+) or toward the palm plane.

CMC Lateral0°

-25°+25°

Secondary lateral tilt of the thumb base.

MCP Flexion+4°

-10°+60°

Bends the thumb's first knuckle.

IP Flexion+3° ⟲

-15°+80°

Bends the thumb tip; follows MCP in coupled mode.

MCP Flexion+3°

-25°+90°

Bends the knuckle where the finger meets the palm.

MCP Spread (Abd/Add)-6°

-22°+22°

Fans the finger sideways within the palm plane.

PIP Flexion+4°

-5°+110°

Bends the middle joint of the finger.

DIP Flexion+3° ⟲

-10°+80°

Bends the fingertip joint; follows PIP in coupled mode.

Model summary

26 visible kinematic axes · 21 independent inputs (coupled) · 5 derived axes.

Rigid-link kinematics only. No soft tissue, tendons, tactile sensing, collision, friction, or grasp forces.