To switch between model space and paper space on a layout
On a layout, use one of the following methods:
VPMAX to maximize the layout viewport or switch to the Model tab.
You are now in model space. The selected layout viewport becomes the current viewport, and you can pan the view and change layer properties. If you need to make significant changes to the model, it is recommended that you useYou are now in paper space. You can create and modify objects on the layout.