The first time you switch to a Layout tab, all of your model space entities disappear. You must create at least one layout viewport on the Layout tab to see your work.
You can create layout viewports anywhere inside the drawing area. You can control the number of viewports created and the arrangement of the viewports.
TIP When you create a layout viewport, the layout viewport border is created on the current layer. You can make layout viewport borders invisible by creating a new layer before you create layout viewports and then turning off that layer after you create the layout viewports. To select a layout viewport’s borders, you must turn that layer back on before you can rearrange or modify the layout viewport.
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Understanding paper space and model space
Viewing and scaling layout viewports
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