| { | |
| "contact_points": [ | |
| { | |
| "id": [0, 1], | |
| "description": "At the center of the stapler", | |
| "usage": "Used for grasping the stapler." | |
| }, | |
| { | |
| "id": 2, | |
| "description": "At the pressing point of the stapler", | |
| "usage": "Used to press down the stapler to staple papers." | |
| } | |
| ], | |
| "functional_points": [] | |
| } |