The next-generation Microsoft Surface Book laptop has been appearing in some expertly crafted fan-made concept renders. The name of the future Surface is still unknown, with one designer calling his creation the Surface Book 4 while another artist went with Surface Book Studio. The images are based on drawings from a patent filing.
https://www.notebookcheck.net/Microsoft-Surface-Book-4-and-Surface-Book-Studio-fan-made-concept-renders-visualize-how-appeal-may-hinge-on-a-single-design-choice.557048.0.html