To make copies of the selected portion of the model along a straight path, use the following procedure.

1. Select any portions of the model you want to copy.
2. Either:

   on the Model ribbon tab, select the Translational Repeat tool in the Edit group
   
   

   or

   right-click in the view window and select Translational Repeat from the pop-up menu

   The Translational Repeat dialog opens.
   Tip: You can continue to manipulate the view window while this dialog is open.
3. Select a Coordinate system for the translation values from the drop-down list.
4. Select the Along axis from the drop-down list.
5. Type the Number of copies to make and the Spacing between each copy.
6. Select the copy options:
   1. Select the option for Generation. This specifies if all objects, only geometry, or a combination of geometry and properties are copied.
   2. (Optional) Select if copies should be linked by new members along the copy direction.
   3. (Optional) If the copies are to be linked, check the Open base to prevent the base nodes from being connected.
7. (Optional) Click Preview to display a preview of the operation using the current parameters.
8. Click OK. The dialog closes and the copies are placed as specified.