{
  "name": "desk_electronics_kit",
  "bed": 256,
  "parts": [
    {"template": "box", "params": {"length": 110, "width": 70, "height": 35, "wall": 2.2, "corner_radius": 5}},
    {"template": "plate", "params": {"length": 100, "width": 60, "rows": 2, "cols": 2, "hole_d": 3.2, "margin": 6}},
    {"template": "standoff", "params": {"outer_d": 7, "inner_d": 3.2, "height": 8, "count": 4}},
    {"template": "bracket", "params": {"width": 30, "leg_a": 25, "leg_b": 35, "holes_per_leg": 1}}
  ]
}