{ "id": "task_014_bushing", "part_class": "bushing", "difficulty_bin": 2, "max_steps": 10, "prompt": "Create a solid cylinder 40 millimeters in diameter and 35 millimeters tall. The base sits on the XY plane, centered at the origin. Drill a single cylindrical through-hole 18 millimeters in diameter along the central Z axis, passing completely through the cylinder from top to bottom. The result is a cylindrical bushing with a 40mm outer diameter, 18mm inner diameter (wall thickness 11mm), and 35mm height.", "ground_truth_step": "tasks/task_014_bushing/ground_truth.step", "ground_truth_json": "tasks/task_014_bushing/ground_truth.json", "reference_code": "tasks/task_014_bushing/reference_code.py" }