{"commands": [
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 {"command": "sketch.create", "params": {"plane": "XY", "name": "Base"}},
 {"command": "sketch.rectangle.two_point", "params": {"p0": [0, 0], "p1": [100, 60]}},
 {"command": "sketch.finish", "params": {}},
 {"command": "sheet.flange", "params": {"sketch": "Base"}},
 {"command": "sheet.flange", "params": {"edges": [[50, 0, 2]], "height": 30}}
]}