{
  x<usable print length from left to right>: float,
  y<usable print length from back to front>: float,
  z<usable print length from bottom to top>: float,
  n<how many materials can be printed at the same time, -1 if any>: int,
  hbmt<max heatbed temperature, 0 is not heated>: float,
  he<hot ends>:[{
    di<hot end input diameter>: float,
    do<hot end output diameter>: float,
    mtemp<hot end max temp>: float,
    bowden<is bowden>: bool,
    flex<can print flex materials>: bool,
    abrasive<can print abrasive materials>: bool,
  }],
}