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Click Place Volume Along Path Command
.
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Define the starting point for the path. See Define a path for a volume for help defining a path.
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Continue to define points along the path.
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After you specify the last point for the path, click Finish to close the path ribbon.
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From the Cross-Section list, select the cross-section type.
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Click Cross-Section
to Define cross-sectional properties for a volume or to Sketch the cross-section for a volume.
Whether you define cross-sectional properties or sketch your own cross-section depends
on the cross-sectional type that you select in the Cross-Section list. If you select Sketch as the cross-sectional type, you can draw a two-dimensional cross-section in the
model using the Create Path ribbon. If you select one of the standard cross-sectional types defined in the reference
data, you can modify the properties of the cross-section on the Volume Properties dialog.
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Type a name for the volume in the Name box.
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Select a volume type from the Type list. The list in the Type box provides only the last few types selected from the catalog. Choosing More opens the Select System Dialog, which allows you to select any type of space found in the catalog database.
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Select a folder from the Space folder list. Assigning volumes to a space folder organizes volumes. You can create additional folders with the Create Space Folder Command.
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To associate the points of the volume with points in the model, such as grid intersections, click Enable Assoc Point Creation
. To drop the associative points during or after volume placement, click Disable Assoc Point Creation 
.
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Click Finish to create the new volume.
