Assembly allows to save pages into pre-defined templates, this way with a few clicks you can have save a template of your current page. In order to create a new template from your current page, you will need to:
1 – Open the WordPress page you want to save as a template.
2 – Click on the “Page Settings” button. (see image below)
3 – Click on the “Templates” tab.
2 – Click on the “Create Template” button.
As an example if you want to save the current open page, then you will click on the “Create Template” button and then rename the template for something more identifiable. (see image below)
“Page Settings” button