godot/editor/icons/SoftBody3D.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#fc7f7f" d="m2 1s-3 5 0 7-1 7-1 7h13s3-6 0-8 1-6 1-6zm2 2h7s-2 3 1 5 0 5 0 5h-7s2-4-1-6 0-4 0-4z"/></svg>