{
 "description": "An electronics enclosure built over MCP, one command at a time (examples/demo/enclosure_mcp.py). Each step: an MCP `execute` call; `caption` is shown in the video, `pause` (s) is the wait after it, `view` then animates the app's camera to that view. A lip on the rim is left out until issue #29 (Lip on a rounded rim) is fixed.",
 "steps": [
  {
   "caption": "User parameters: width, depth, height, wall",
   "command": "parameters.change",
   "params": {
    "name": "width",
    "expression": "80 mm",
    "comment": "outside, X"
   }
  },
  {
   "caption": "",
   "command": "parameters.change",
   "params": {
    "name": "depth",
    "expression": "60 mm",
    "comment": "outside, Y"
   },
   "pause": 0.6
  },
  {
   "caption": "",
   "command": "parameters.change",
   "params": {
    "name": "height",
    "expression": "30 mm"
   },
   "pause": 0.6
  },
  {
   "caption": "",
   "command": "parameters.change",
   "params": {
    "name": "wall",
    "expression": "2 mm"
   },
   "pause": 0.6
  },
  {
   "caption": "Sketch on XY",
   "command": "sketch.create",
   "params": {
    "plane": "XY",
    "name": "Outline"
   }
  },
  {
   "caption": "Center rectangle",
   "command": "sketch.rectangle.center",
   "params": {
    "center": [
     0,
     0
    ],
    "corner": [
     40,
     30
    ]
   }
  },
  {
   "caption": "Centre it on the origin",
   "command": "sketch.constraint.coincident",
   "params": {
    "a": "p5",
    "b": "origin"
   }
  },
  {
   "caption": "Dimension: width",
   "command": "sketch.dimension",
   "params": {
    "entities": [
     "l1"
    ],
    "value": "width"
   }
  },
  {
   "caption": "Dimension: depth",
   "command": "sketch.dimension",
   "params": {
    "entities": [
     "l2"
    ],
    "value": "depth"
   }
  },
  {
   "caption": "Finish sketch",
   "command": "sketch.finish",
   "params": {}
  },
  {
   "caption": "Extrude by height",
   "command": "solid.extrude",
   "params": {
    "distance": "height",
    "body_name": "Enclosure"
   },
   "view": "home"
  },
  {
   "caption": "Round the vertical edges (6 mm)",
   "command": "solid.fillet",
   "params": {
    "edges": [
     [
      40,
      30,
      15
     ],
     [
      -40,
      30,
      15
     ],
     [
      -40,
      -30,
      15
     ],
     [
      40,
      -30,
      15
     ]
    ],
    "radius": 6
   }
  },
  {
   "caption": "Shell it open at the top (wall)",
   "command": "solid.shell",
   "params": {
    "faces": [
     [
      0,
      0,
      30
     ]
    ],
    "thickness": "wall"
   }
  },
  {
   "caption": "Sketch on YZ for the USB port",
   "command": "sketch.create",
   "params": {
    "plane": {
     "origin": [
      0,
      0,
      0
     ],
     "x_dir": [
      0,
      1,
      0
     ],
     "y_dir": [
      0,
      0,
      1
     ]
    },
    "name": "USB port"
   }
  },
  {
   "caption": "Port outline",
   "command": "sketch.rectangle.center",
   "params": {
    "center": [
     0,
     12
    ],
    "corner": [
     6,
     15.5
    ]
   }
  },
  {
   "caption": "Finish sketch",
   "command": "sketch.finish",
   "params": {}
  },
  {
   "caption": "Cut through the side wall",
   "command": "solid.extrude",
   "params": {
    "through_all": true,
    "operation": "cut"
   }
  },
  {
   "caption": "Screw boss",
   "command": "plastic.boss",
   "params": {
    "position": [
     -30,
     -20,
     2
    ],
    "diameter": 7,
    "height": 12,
    "hole_diameter": 2.5
   }
  },
  {
   "caption": "Screw boss",
   "command": "plastic.boss",
   "params": {
    "position": [
     30,
     -20,
     2
    ],
    "diameter": 7,
    "height": 12,
    "hole_diameter": 2.5
   }
  },
  {
   "caption": "Screw boss",
   "command": "plastic.boss",
   "params": {
    "position": [
     30,
     20,
     2
    ],
    "diameter": 7,
    "height": 12,
    "hole_diameter": 2.5
   }
  },
  {
   "caption": "Screw boss",
   "command": "plastic.boss",
   "params": {
    "position": [
     -30,
     20,
     2
    ],
    "diameter": 7,
    "height": 12,
    "hole_diameter": 2.5
   }
  },
  {
   "caption": "Change one parameter: width 80 \u2192 100 mm",
   "command": "parameters.change",
   "params": {
    "name": "width",
    "expression": "100 mm"
   },
   "pause": 4
  }
 ]
}