4.2.11 Model Range
The coordinate space represented by a model is determined by the model range. Changing the model range changes the apparent size of all objects within the model. For accurate work, you should set the model range manually before creating objects in a model, though this is usually unnecessary. For example, you can set the model range to 6 units in each direction. For more information about the ModelRange option, see Chapter 3, "Dynamic Visualizer Objects".
The same graphics with a larger model range.
The following resets the model range to the original values: