{"category": "vacuum_forming", "materials": ["HIPS", "ABS", "PET", "PETG", "PMMA", "PC", "PVC"], "advantages": ["low_cost_molds", "large_parts", "fast_cycles", "prototype_friendly"], "parameters": {"vacuum_bar": {"max": 0.9, "min": 0.5}, "temperature_C": {"max": 200, "min": 130}, "sheet_thickness_mm": {"max": 12, "min": 0.25}, "corner_thinning_percent": {"max": 70}}, "applications": ["packaging", "food_trays", "housings", "3D_signage", "automotive_interior"], "process_type": "plastic_forming", "process_steps": ["clamping", "heating", "mold_positioning", "vacuum_application", "cooling", "demolding", "trimming"]}