| { | |
| "contact_points": [ | |
| { | |
| "id": [0, 1, 2, 3], | |
| "description": "The center of block", | |
| "usage": "Used for grabbing blocks from the top down." | |
| } | |
| ], | |
| "functional_points": [ | |
| { | |
| "id": 0, | |
| "description": "On the bottom of the block", | |
| "usage": "Used to place the block on table or other surfaces." | |
| }, | |
| { | |
| "id": 1, | |
| "description": "On the top of the block", | |
| "usage": "Used to indicate the position of other objects when they come into contact with the block." | |
| } | |
| ] | |
| } |