Gutentor consists of three types of Page templates:
- Default Template
It is the default template of the theme. The layout and design of this template generally come from a theme setting. - Gutentor Full Width
This Gutentor design displays a full-width template. It contains a header and footer from the theme. - Gutentor Canvas
Gutentor Canvas is another option for layout design. It is basically an empty template, without a header and footer, where you can design everything on Gutentor.
If you want to add Gutentor Page Templates to any Specific Post type View Developer Guidelines How to add Page Templates to Post or Custom Post Types