{
  "concrete": [
    "assets/prototypes/materials/concrete_01.jpg",
    "assets/prototypes/materials/concrete_02.jpg",
    "assets/prototypes/materials/concrete_03.jpg",
    "assets/prototypes/materials/concrete_04.jpg",
    "assets/prototypes/materials/concrete_05.jpg"
  ],
  "brick": [
    "assets/prototypes/materials/brick_01.jpg",
    "assets/prototypes/materials/brick_02.jpg",
    "assets/prototypes/materials/brick_03.jpg",
    "assets/prototypes/materials/brick_04.jpg",
    "assets/prototypes/materials/brick_05.jpg"
  ],
  "wood": [
    "assets/prototypes/materials/wood_01.jpg",
    "assets/prototypes/materials/wood_02.jpg",
    "assets/prototypes/materials/wood_03.jpg"
  ],
  "steel": [
    "assets/prototypes/materials/steel_01.jpg"
  ],
  "aluminum": [
    "assets/prototypes/materials/aluminum_01.jpg"
  ],
  "glass": [
    "assets/prototypes/materials/glass_01.jpg"
  ],
  "plastic": [
    "assets/prototypes/materials/plastic_01.jpg"
  ],
  "ceramic": [
    "assets/prototypes/materials/ceramic_01.jpg"
  ],
  "gypsum": [
    "assets/prototypes/materials/gypsum_01.jpg"
  ],
  "insulation_wool": [
    "assets/prototypes/materials/insulation_wool_01.jpg"
  ]
}