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3-DOF Planar Arm

Forward & Inverse Kinematics

Mode
Joint Angles
θ1 Shoulder 0°
θ2 Elbow 0°
θ3 Wrist 0°
End-Effector (TCP)
X (mm)
—
Y (mm)
—
Angle (°)
—
Reach (mm)
—
Joint Positions (mm)
J2 X
—
J2 Y
—
J3 X
—
J3 Y
—
Inverse Kinematics
Click canvas to set target
Target X
—
Target Y
—
EE Angle -90°
Playback
Speed 1.0×
Legend
  • Arm links (L1=300, L2=240, L3=120 mm)
  • Joints (J1 shoulder, J2 elbow, J3 wrist)
  • TCP / End-effector (gripper)
  • TCP trajectory trail
  • Max workspace boundary
  • Joint frames (X=red, Y=green)
  • IK target — reachable
  • IK target — near singularity
  • IK target — outside workspace