{
  "params": {
    "colorway": {
      "type": "choice",
      "options": [
        "rust",
        "steel",
        "sand",
        "abyss"
      ],
      "default": "rust",
      "label": "Colorway",
      "describe": "Shell colours: rust (red-orange like a real crab, amber eyes), steel (grey, cyan eyes), sand (beige beach bot), abyss (deep-sea navy, teal eyes)."
    },
    "legLength": {
      "type": "range",
      "min": 0.8,
      "max": 1.3,
      "step": 0.05,
      "default": 1,
      "label": "Leg length",
      "describe": "Scales the legs. Low = squat scuttler hugging the ground, high = tall spindly spider-crab."
    },
    "claws": {
      "type": "range",
      "min": 0.6,
      "max": 1.6,
      "step": 0.05,
      "default": 1,
      "label": "Claw size",
      "describe": "Size of the pincers. 0.6 is a pair of small pickers, 1.6 heavy crushing claws."
    },
    "fiddler": {
      "type": "toggle",
      "default": false,
      "label": "Fiddler claw",
      "describe": "Makes the right claw oversized and the left one small, like a fiddler crab."
    },
    "back": {
      "type": "choice",
      "options": [
        "none",
        "mast",
        "crate"
      ],
      "default": "mast",
      "label": "Back",
      "describe": "What rides on the carapace: nothing, a sensor mast with a radar dish, or a strapped salvage crate."
    }
  },
  "presets": {
    "beach scuttler": {
      "colorway": "sand",
      "legLength": 0.85,
      "back": "none"
    },
    "salvage crab": {
      "colorway": "steel",
      "claws": 1.5,
      "back": "crate"
    },
    "deep fiddler": {
      "colorway": "abyss",
      "fiddler": true,
      "legLength": 1.2
    }
  },
  "night": {
    "eye": {
      "zone": "eye",
      "intensity": 1.6,
      "describe": "Eye stalk lenses and the front light bar glow."
    }
  }
}