{
  "drawing_x": 200.0,
  "drawing_y": 150.0,
  "x_rail_length": 350.0,
  "y_rail_length": 320.0,
  "wheel_center_offset": 24.75,
  "wheel_bearing_seat_diameter": 16.1,
  "wheel_bearing_seat_depth": 5.1,
  "slider_clearance": 0.3,
  "pen_diameter": 10.8,
  "bed_width": 240.0,
  "bed_depth": 190.0,
  "x_axis_height": 130.0,
  "y_axis_height": 50.0,
  "paper_height": 100.0,
  "microsteps": 16,
  "motor_steps_per_turn": 200,
  "drive_offset": 46.0,
  "capstan_diameter": 20.0,
  "cord_diameter": 0.5,
  "capstan_wraps": 3.5,
  "cord_entry_height": 5.5,
  "cord_return_height": 13.0
}