{
  "title": "Temporary Fence Panel",
  "description": "A galvanised welded-mesh panel in a bent tube frame, standing in two moulded feet, with coupler tabs on both legs. The wire pitch is a slider and the count is derived from it, so no bay is ever a sliver.",
  "category": "Street",
  "tags": ["contemporary", "street", "construction", "procedural"],
  "controls": {
    "width": { "type": "number", "label": "Width", "min": 1, "max": 3.6, "step": 0.05, "unit": "m" },
    "height": { "type": "number", "label": "Height", "min": 1, "max": 2.6, "step": 0.02, "unit": "m" },
    "pitch": { "type": "number", "label": "Wire pitch", "min": 0.02, "max": 0.3, "step": 0.005, "unit": "m" },
    "rails": { "type": "number", "label": "Horizontal wires", "min": 2, "max": 14, "step": 1 },
    "swing": { "type": "number", "label": "Swing at coupler", "min": 0, "max": 1, "step": 0.05 },
    "seed": { "type": "number", "label": "Variation seed", "min": 1, "max": 64, "step": 1 }
  },
  "materialSlots": ["galvanised", "rubber"],
  "parts": ["panel", "feet"]
}