1. Expend 'Intersection' on data tree
2. Cliking on 'Corss planes'> select 'create planes' from the left task panel> open the 'create cross plane' dialog
3. Select 'verticle plane' for 'Orientation' on the dialog, use default setting for other parameters> apply
Note double clicking on the created cross plane on data tree will display it on 3d view with arrows, using which you can rotate the fence to be your wanted location.