{
  "schema_version": "1.0",
  "rubrics": [
    {
      "id": "R1",
      "requirement": "The base part shall be a 115 × 40 × 5 rectangular plate."
    },
    {
      "id": "R2",
      "requirement": "The base shall contain four R2.5 through holes spaced 65 by 20, with the first hole located 25 and 10 from the plate edges."
    },
    {
      "id": "R3",
      "requirement": "The wheel part shall have an outer radius of R20 and an overall width of 15."
    },
    {
      "id": "R4",
      "requirement": "The wheel shall have a central V-groove with an included angle of 90°."
    },
    {
      "id": "R5",
      "requirement": "The wheel shall have a hub of R5 with a bore of R3.13."
    },
    {
      "id": "R6",
      "requirement": "The shoulder screw part shall have an overall length of 37 with a 27-long Ø6.25 shoulder."
    },
    {
      "id": "R7",
      "requirement": "The shoulder screw shall have a Ø10 head 4 long and a Ø4 end section."
    },
    {
      "id": "R8",
      "requirement": "The bushing part shall be a sleeve with R5 outside radius, R3.13 bore and length 5."
    },
    {
      "id": "R9",
      "requirement": "The washer part shall have an outside radius of R6, an inside radius of R3.13 and a thickness of 1."
    },
    {
      "id": "R10",
      "requirement": "The nut part shall be a hexagon 10 across corners, 5 thick, with an R2 bore."
    },
    {
      "id": "R11",
      "requirement": "The support part shall be an L-shaped bent bracket with 40 × 40 legs."
    },
    {
      "id": "R12",
      "requirement": "The support flange shall carry two holes spaced 20 apart, positioned 10 and 15 from the edges."
    },
    {
      "id": "R13",
      "requirement": "The assembly shall contain two support instances mounted on the base, facing each other on either side of the wheel."
    },
    {
      "id": "R14",
      "requirement": "The assembly shall contain hex bolts passing through the support flange holes and the matching base holes."
    },
    {
      "id": "R15",
      "requirement": "The assembly shall locate the wheel coaxially on the shoulder screw between the two support uprights."
    },
    {
      "id": "R16",
      "requirement": "The assembly shall be saved as wheelsupportass, referencing the separate part files base, bushing, nut, screw, shoulderscrew2, supports, washer and wheel."
    }
  ]
}