{"commands": [
 {"command": "sheet.manage_rules", "params": {"name": "Steel 2mm", "thickness": "2 mm", "bend_radius": "2 mm", "k_factor": "0.4", "active": true}},
 {"command": "sheet.manage_rules", "params": {"name": "Steel 3mm", "thickness": "3 mm", "bend_radius": "3 mm", "k_factor": "0.4"}},
 {"command": "sketch.create", "params": {"plane": "XY", "name": "Plate"}},
 {"command": "sketch.line", "params": {"points": [[0, 0], [120, 0], [120, 40], [40, 40], [40, 80], [0, 80]], "closed": true}},
 {"command": "sketch.circle.center", "params": {"center": [20, 20], "diameter": 8}},
 {"command": "sketch.circle.center", "params": {"center": [100, 20], "diameter": 8}},
 {"command": "sketch.circle.center", "params": {"center": [20, 60], "diameter": 8}},
 {"command": "sketch.finish", "params": {}},
 {"command": "sheet.flange", "params": {"sketch": "Plate", "profiles": [0], "rule": "Steel 3mm"}}
]}