[
  {
    "name": "Tiny Watchtower",
    "description": "A small elevated lookout tower made from stone and planks.",
    "blocks_allowed": ["stone", "planks", "air"],
    "layout": [
      ["stone", "stone", "stone"],
      ["planks", "air", "planks"],
      ["stone", "stone", "stone"]
    ]
  },
  {
    "name": "Glass Hut",
    "description": "A compact shelter made primarily from glass with a stone base.",
    "blocks_allowed": ["glass", "stone", "air"],
    "layout": [
      ["glass", "glass", "glass"],
      ["glass", "air", "glass"],
      ["stone", "stone", "stone"]
    ]
  },
  {
    "name": "Lantern Post",
    "description": "A single vertical pillar with a torch at the top.",
    "blocks_allowed": ["stone", "torch"],
    "layout": [
      ["torch"],
      ["stone"],
      ["stone"]
    ]
  }
]