cloth_test.physics.txt

{
  "cloths": [
    {
      "width": 14,
      "height": 14,
      "boneformat": "rc_R0C{0}",
      "formatranges": [
        [1, 196]
      ],
      "stretch": 0,
      "shear": 0.6,
      "bend": 0.9
    }
  ]
}