{ "title": "Fire Extinguisher", "description": "Red bottle under a chrome valve head: an oversized gauge, a brass pin and ring, a carry handle and a lever that squeezes against it, with a hose banded to the shell. The kit's first small-part cluster and its first squeeze lever.", "category": "Tools", "tags": [ "contemporary", "tools", "safety", "procedural" ], "controls": { "height": { "type": "number", "label": "Height", "min": 0.25, "max": 1.1, "step": 0.01, "unit": "m" }, "radius": { "type": "number", "label": "Shell radius", "min": 0.03, "max": 0.12, "step": 0.002, "unit": "m" }, "squeeze": { "type": "number", "label": "Lever squeeze", "min": 0, "max": 1, "step": 0.05 }, "segments": { "type": "number", "label": "Sides", "min": 12, "max": 64, "step": 1 }, "seed": { "type": "number", "label": "Variation seed", "min": 1, "max": 64, "step": 1 } }, "materialSlots": [ "retroreflective", "chrome", "steelPainted", "rubber", "brass" ], "parts": [ "body", "valve", "handle", "lever", "hose" ] }