godot/editor/icons/InterpCubicAngle.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="8"><g fill="none" stroke="#5fff95" stroke-linecap="round"><path stroke-width="2" d="m2 6c5 0 3-4 6-4s1 4 6 4"/><circle cx="14" cy="2" r="1.5"/></g></svg>