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├── README.md                
├── .gitattributes              # Git LFS configuration file
└── resources/                  # Simulation asset files
    ├── Box/                    # Standard material box
    ├── Box_blank/              # Blank material box
    ├── Box_blank_blue/         # Blue blank material box
    ├── Box_blank_gray/         # Gray blank material box
    ├── Box_blue/               # Blue material box
    ├── Box_gray/               # Gray material box
    ├── Collected_28motor/      # Motor components
    ├── Collected_ConveyorBelt/ # Conveyor belt
    ├── Collected_foam/         # Foam pad
    ├── Collected_s2_v1_ecbg/   # WalkerS2 model
    ├── Collected_table_v2/     # Table model
    ├── Collected_Task1_PartA_ori_color/    # Task1 Part A
    ├── Collected_Task1_PartA_red/          # Task1 Part A (Red)
    ├── Collected_Task2_Part_A/             # Task2 Part A
    ├── Collected_Task4/                    # Task4 related resources
    ├── *.usd                   # Gears, bearings, and other parts
    └── s2.urdf                 # WalkerS2 robot URDF