{ "id": "bench_vise_simplified", "level": "hard", "family": "tooling", "prompt": "Design a simplified bench vise concept as editable CadQuery. Include a fixed jaw, moving jaw, screw spindle, handle bar, base with mounting holes, guide rails, and clear sliding direction.", "image_prompt": "Realistic CAD render of a simplified bench vise with fixed jaw, moving jaw, screw spindle, handle bar, guide rails, and base mounting holes, plain white background, no text.", "semantic_hints": [ "bench_vise", "fixed_jaw", "moving_jaw", "screw_spindle", "handle_bar", "guide_rail", "mounting_hole" ], "bbox_mm": [ 280, 140, 150 ] }