{ 
		
		"diamond": [
			
				{
					"density": 2, "friction": 0, "bounce": 0, 
					"filter": { "categoryBits": 1, "maskBits": 65535 },
					"shape": [   32, 13  ,  17, 28  ,  15, 28  ,  0, 13  ,  0, 7  ,  7, 0  ,  25, 0  ,  32, 7  ]
				}  
		]
		
	}