server/tasks/task_005_stepped_shaft/task.json

{
  "id": "task_005_stepped_shaft",
  "part_class": "stepped shaft",
  "difficulty_bin": 2,
  "max_steps": 10,
  "prompt": "Create a stepped cylindrical shaft consisting of two coaxial cylinders stacked on top of each other along the Z axis. The lower section has a diameter of 20 millimeters and a height of 40 millimeters. Its base sits on the XY plane, centered at the origin. Directly on top of the lower section, centered on the same Z axis, sits the upper section with a diameter of 12 millimeters and a height of 30 millimeters. Total height of the shaft is 70 millimeters. Both sections share the same central axis. No holes, no keyways, no features.",
  "ground_truth_step": "tasks/task_005_stepped_shaft/ground_truth.step",
  "ground_truth_json": "tasks/task_005_stepped_shaft/ground_truth.json",
  "reference_code": "tasks/task_005_stepped_shaft/reference_code.py"
}