Sign language · Hands

Hand wave

Target Forearms  ·  Equipment Body weight  ·  Level Beginner  ·  Reps 3

Hand wave is a beginner-level sign language movement targeting the forearms, written in Posecode, a small open-source language that LLMs like ChatGPT, Claude, and Gemini can write to describe human movement as text. Every joint angle below is hard-clamped to a safe range of motion.

How to do it

1. Raise0.8s · ease-out Raise the hand up high, palm open
2. Wave out0.6s · ease-in-out Tip the fingers out...
3. Wave in0.6s · ease-in-out ...and back again: a friendly wave
4. Lower0.8s · ease-in Lower the arm back to your side

The .posecode source

This is the exact text an LLM writes to produce the animation above: phases and joint angles, not 3D transforms.

posecode posture "Hand wave"
  rig humanoid
  pose start = standing

  step "Raise" 0.8s ease-out:
    shoulder_right: flex 150
    elbow_right: flex 20
    fingers_right: flex 0
    cue "Raise the hand up high, palm open"

  step "Wave out" 0.6s ease-in-out:
    fingers_right: flex 30
    cue "Tip the fingers out..."

  step "Wave in" 0.6s ease-in-out:
    fingers_right: flex 0
    cue "...and back again: a friendly wave"

  step "Lower" 0.8s ease-in:
    shoulder_right: flex 0
    elbow_right: flex 0
    cue "Lower the arm back to your side"

  repeat 3

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