chain

{
  label = "Chain",
  shapes = {
      {4,0,7,6,4,9, texture="obsidian"},
      {10,0,7,12,4,9, texture="obsidian"},
      {6,4,7,10,6,9, texture="obsidian"},
      {4,12,7,6,16,9, texture="obsidian"},
      {10,12,7,12,16,9, texture="obsidian"},
      {6,10,7,10,12,9, texture="obsidian"},
      {7,2,6,9,4,10, texture="obsidian"},
      {7,12,6,9,14,10, texture="obsidian"},
      {7,4,10,9,12,12, texture="obsidian"},
      {7,4,4,9,12,6, texture="obsidian"},
  }