Double-click to activate the design view you will be working in.
Click the 3D Plane icon
in the customized toolbar.
The Tools Palette appears.
Enter a name for your 3D plane in the Tools Palette.
Select a line in the view as shown below.
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The 3D plane, Plane2DL.1, is created and it is listed in
the specification tree, under the PartBody node.
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The 3D plane is also displayed in the 3D window.
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Optional: Select one or several other lines.
Several 3D planes are created in one shot.