obj_meshes/ycb/ycb_dex_18/scale.json

{
  "scale_factor": 0.156903,
  "ycb_name": "040_large_marker",
  "dex_index": 18,
  "real_diameter_m": 0.164,
  "note": "ycb_dex_18 = 040_large_marker. scale_factor = real_diameter / mesh_diameter"
}