Edit Existing Template
Click on the template needing editing. Choose Edit Template below the FMX tiles.
In Edit mode:
You can change the tile order by selecting Clear Selection and clicking the tiles in the updated preferred order.
You can rename a template, by selecting Rename Template below the tiles.
You can delete a template, by selecting Delete Template below the tiles.
Click Continue to Rotation to edit orientation of tiles. Click on the link below for a helpful guide on orientation and rotation set up.
Here is a video on how to edit template rotations. This video has no audio.
Below is the General Guide for your reference as well: