{
  "format": "formtrace/params",
  "version": 1,
  "units": "mm",
  "family": "bracket",
  "params": {
    "width": 48,
    "legA": 40,
    "legB": 56,
    "thick": 4,
    "bendRadius": 3,
    "slotLength": 16,
    "screw": 3
  }
}