How To Clone a Dashboard Template
Navigate to the "Template" section, using the left side menu on your root control panel.
Once there, click on the "Dashboards" tab.
Once there, click "Create Template" at the top right.
Next, select the source that your template will start from. To clone a dashboard template, select "Start from a template".
Next, select the dashboard template you'd like to clone. You can clone either a pre-configured template, or a custom template that you've already saved. Once you've made a selection, click "Continue".
From here, you can customize and modify the new template as you see fit via the normal dashboard template customization process.