{
 "board_bbox_mm": [
  78.0,
  78.0,
  1.51
 ],
 "board_volume_mm3": 9138.3,
 "wall_gap_mm": 6.0,
 "board_base_interference_mm3": 0.0,
 "pilot_rod_through_hole_mm3": {
  "+1+1": 0.0,
  "+1-1": 0.0,
  "-1+1": 0.0,
  "-1-1": 0.0
 }
}