{
  "file": "Walkie_One_Concept_27_R2_EXPLODED_DISPLAY.step",
  "solids": 56,
  "valid": true,
  "volume_preserved": true,
  "units": "mm",
  "method": "Rigid illustrative translations from the same per-part STEP, no deformation; excludes electronics and screws. Not a motion or assembly sequence."
}