For common truss conditions: Delete all trusses except one from layout (Example-01). Bring that truss into iDesign. From the Truss pull-down select Truss Properties and enter the new truss spacing (Example-02). Engineer and Save Replace. In iModel from the vertical toolbar select Repeat Truss and repeat the truss. The trusses will be added with the updated spacing.
Example-02
Example -01 Example -03
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