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Modify: Modify an existing project without using it.
Use margins information from defined printer: Use the margin settings from the selected printer to define the margins of the generated Paper Space Layouts. This option is not available in the Modify mode.
Create page layouts for all 3D entities in the drawing: This option will only be available if the Use mode is selected. With this option ALL 3D entities in the drawing will be used for creation of the View/Viewports and Drafting palette components. If you do not select this option you will be prompted to select the required 3D entities in the drawing space.
For optimal efficiency and performance two modes are provided for the creation of layout components:
Architectural: This mode is faster with less demands on system resources, but non-associative
Mechanical: This mode is associative, but is slower, and places greater demands on system resources. Note: You can use the Architectural mode for mechanical models and vice-versa but there is a potential for reduced
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