Here is a quick tip to quickly make a new paper space viewport.
Set the layer to what you want the viewport frame to be on. It is best to use a designated layer for viewports that are set to not plot. Please don’t use the layer “DEFPOINTS” for viewports. You may run into some weird issues. For an example of what issue can arise from using DEFPOINTS on objects, see this post:
Below is an example of a few layers in the “Layer Manager”. Notice that the “Viewport” layer is set to not plot.
While in “Paper Space” is active (Layout1) Go to the “Layout” tab on the ribbon > “Layout Viewports” panel > –VPORTS tools (big button tool)
The command -VPORTS or by using the tool on the ribbon you will have options like making a polygon or selecting an object such a closed polyline, circle or ellipse to be the shape of the viewport. If you don’t need these options, you can quickly use the command alias MV <enter> and then pick 2 points to define a rectangle and your viewport is made…