A layer within a model, this contains a slice of model data about the model or mask out information from lower layers. One layer is below another if the position is smaller. A position of 0 is always the bottom layer.
position
type ModelLayer {id: ID! created: DateTime modified: DateTime # A type hint for how the layer should be# used.type: String # A short name for the layer.name: String # A user editable label for the# layer.label: String views: [ModelViewLayer!] }