 		guard let model = self.model else {
 			return CGSizeZero
 		}
-		return CGSize(width: model.scaleRounded * CGFloat(model.count), height: 100)
+		return CGSize(width: model.scaleRounded * CGFloat(model.count), height: CollectionViewModel.height)
 	}
 	
 

	var scaleRounded: CGFloat {
		return floor(scale + 0.5)
	}
}

class MyCollectionView: UICollectionView {

		}
	}
	
	override func viewWillLayoutSubviews() {
		super.viewWillLayoutSubviews()

