{
    "background": 0,
    "water": 1,
    "alcohol": 2,
    "POMC": 3,
    "PET": 4,
    "leaf": 5,
    "fake_leaf": 6,
    "PLA_black_1mm": 7,
    "PLA_black_2mm": 8,
    "PLA_blacK_4mm": 9,
    "PLA_black_8mm": 10,
    "PLA_black_16mm": 11,
    "PLA_blue_1mm": 12,
    "PLA_blue_2mm": 13,
    "PLA_blue_4mm": 14,
    "PLA_blue_8mm": 15,
    "PLA_blue_16mm": 16,
    "PLA_white_1mm": 17,
    "PLA_white_2mm": 18,
    "PLA_white_4mm": 19,
    "PLA_white_8mm": 20,
    "PLA_white_16mm": 21,
    "transparent_plastic": 22,
    "water&alcohol-tray": 23
}