{
  "units": "mm",
  "revision": "phase-2-first-pass",
  "notes": [
    "First-pass fit model for layout, service access, and 3D-print enclosure iteration.",
    "Verify every component with calipers before printing a functional enclosure.",
    "Dimensions include practical clearance where noted; not all vendor pages publish exact dimensions."
  ],
  "enclosure": {
    "outer_width": 78,
    "outer_depth": 37,
    "outer_height": 352,
    "wall": 3,
    "corner_radius": 7,
    "front_lip": 3,
    "back_plate_width": 88,
    "back_plate_depth": 4,
    "back_plate_height": 366
  },
  "components": {
    "solar_panel_placeholder": {
      "width": 50,
      "depth": 3,
      "height": 80,
      "source": "placeholder",
      "clearance": 1.5,
      "notes": "Exact solar panel not selected yet; top pocket is intentionally replaceable."
    },
    "pill_status_led": {
      "width": 22,
      "depth": 3,
      "height": 5,
      "source": "design placeholder",
      "clearance": 1
    },
    "injora_35kg_servo": {
      "width": 40.5,
      "depth": 20.5,
      "height": 40.5,
      "source": "vendor/listing typical standard servo dimensions",
      "clearance": 2,
      "notes": "Mount tabs and wire strain relief need physical verification."
    },
    "servo_arm_with_cap_clearance": {
      "width": 64,
      "depth": 8,
      "height": 10,
      "source": "56mm horn plus rubber cap clearance",
      "clearance": 3
    },
    "xiao_nrf52840_sense_pinned": {
      "width": 17.8,
      "depth": 11,
      "height": 21,
      "source": "Seeed XIAO footprint plus pin/header clearance",
      "clearance": 2,
      "notes": "Board footprint is 21 x 17.5mm; depth includes pre-soldered header/USB clearance."
    },
    "wago_222_413_pair": {
      "single_width": 17,
      "single_depth": 20.5,
      "single_height": 14.5,
      "count": 2,
      "source": "WAGO 222-413 datasheet dimensions, rounded for clearance",
      "clearance": 1.5
    },
    "lm2596_buck_current": {
      "width": 60,
      "depth": 12,
      "height": 40,
      "source": "common LED-voltmeter LM2596 module estimate",
      "clearance": 2,
      "notes": "This is the bulky current prototype buck. Future low-Iq regulator can shrink this bay."
    },
    "battery_2s_5000mah": {
      "width": 43,
      "depth": 22,
      "height": 75,
      "source": "common 2S 5000mAh transmitter pack estimate",
      "clearance": 2,
      "notes": "Designed as a vertical bottom-inserting cartridge with only a small pull lip exposed."
    },
    "future_camera_placeholders": {
      "forward_camera": {
        "width": 10,
        "depth": 6,
        "height": 10
      },
      "inward_camera": {
        "width": 10,
        "depth": 6,
        "height": 10
      },
      "source": "phase 4 placeholder",
      "notes": "Not modeled as functional cutouts yet; reserve optional top/front service space."
    }
  },
  "color_key": {
    "shell": "#1e2420",
    "back_plate": "#2d332f",
    "solar": "#2f6f9f",
    "servo": "#4a64d8",
    "servo_arm": "#111111",
    "xiao": "#23a06f",
    "wago": "#f28b32",
    "buck": "#d7b546",
    "battery": "#ef6c38",
    "clearance": "#ff4d4d"
  }
}