{
  "id": "single-software-execution--cli--blender--task-28--ubuntu",
  "snapshot": "Blender-4.2.3",
  "instruction": "Rotate Middle Arm, Preserve End-Effector World Position `/home/user/Desktop/scene.blend` contains three mesh objects `Arm1`, `Arm2`, `Arm3` in a parent chain. Launch Blender by running `blender` from a terminal. Before starting the work, use `/opt/blender/blender` for Blender command-line or background runs when working on `scene.blend`.\n\nRotate `Arm2` by +30 degrees around its own local Z axis, then adjust only `Arm3.location` so `Arm3` keeps exactly the same world-space position it had in the supplied scene. Save the result as `/home/user/Desktop/answer.blend`. ## Requirements 1. `Arm1`, `Arm2`, `Arm3` all exist as mesh objects in the output. 2. Parent chain is intact: `Arm1` has no parent, `Arm2.parent == Arm1`, `Arm3.parent == Arm2`. 3. `Arm1`'s world transform matches the supplied scene. 4. `Arm2` keeps the same world position as in the supplied scene, while only its local Z rotation changes by pi/6 and its local X/Y values stay unchanged. 5. `Arm3`'s world position matches its position in the supplied scene to within Euclidean distance 5e-3.",
  "source": "https://docs.blender.org/manual/en/4.1/; https://docs.blender.org/api/4.1/; https://www.loc.gov/preservation/digital/formats/fdd/fdd000507.shtml",
  "config": [
    {
      "type": "upload_file",
      "parameters": {
        "files": [
          {
            "local_path": "task-28/init_file/scene.blend",
            "path": "/home/user/Desktop/scene.blend"
          }
        ]
      }
    }
  ],
  "trajectory": "trajectories/",
  "related_apps": [
    "blender"
  ],
  "artifact_paths": [
    "/home/user/Desktop/answer.blend"
  ],
  "evaluator": {
    "postconfig": [
      {
        "type": "upload_file",
        "parameters": {
          "files": [
            {
              "local_path": "task-28/eval.py",
              "path": "/home/user/Desktop/eval.py"
            }
          ]
        }
      }
    ],
    "func": "exact_match",
    "result": {
      "type": "vm_command_line",
      "command": "python3 /home/user/Desktop/eval.py",
      "shell": "true"
    },
    "expected": {
      "type": "rule",
      "rules": {
        "expected": "True\n"
      }
    }
  },
  "proxy": false,
  "fixed_ip": false,
  "possibility_of_env_change": "low"
}