{
  "schema_version": "1.0",
  "rubrics": [
    {
      "id": "R1",
      "requirement": "The model shall have overall dimensions of 258 mm x 160 mm x 580 mm."
    },
    {
      "id": "R2",
      "requirement": "The model shall contain five identical cylindrical rollers arranged parallel in a single row along the 580 mm length."
    },
    {
      "id": "R3",
      "requirement": "The model shall position the roller axes according to the chain 170, 120, 120, 170 mm shown in the right side view."
    },
    {
      "id": "R4",
      "requirement": "The model shall include two side plates, one at each end of the rollers, each supporting all five roller axles."
    },
    {
      "id": "R5",
      "requirement": "The model shall include a stepped side profile with chamfered edges behind each side plate."
    },
    {
      "id": "R6",
      "requirement": "The model shall consist of 10 solid bodies in the assembly."
    },
    {
      "id": "R7",
      "requirement": "The model shall include chamfers on the roller ends, represented by conical faces."
    },
    {
      "id": "R8",
      "requirement": "The drawing shall be a single sheet."
    },
    {
      "id": "R9",
      "requirement": "The drawing shall contain front, top and right side views of the assembly."
    },
    {
      "id": "R10",
      "requirement": "The drawing shall dimension the overall length 580 and the depth 160."
    },
    {
      "id": "R11",
      "requirement": "The drawing shall show centre marks on the roller axles."
    },
    {
      "id": "R12",
      "requirement": "The drawing shall have a title block giving a drawing number and a revision."
    },
    {
      "id": "R13",
      "requirement": "The drawing shall state that all dimensions are in millimetres."
    },
    {
      "id": "R14",
      "requirement": "The model shall be organised as separate component part files combined in one assembly file, with a separate drawing file referencing that assembly."
    },
    {
      "id": "R15",
      "requirement": "The model shall use millimetres as its unit system."
    }
  ]
}