{
  "version": 23,
  "scenes": [{
    "objects": [{
      "name": "Square Drawer",
      "rules": [{
        "type": "When the play button is tapped",
        "blocks": [
          { "type": "Repeat", "times": 4, "blocks": [
            { "type": "Move forward", "distance": 100 },
            { "type": "Turn", "degrees": 90 }
          ]}
        ]
      }]
    }]
  }]
}