render a extended canteen for my office

i wanna to build a canteen in my office , need some idea and 3d model together with the current building . ask me if you need any picture or video of the location .

size : 40 feets x 15 feets

front video in my link tiktok
https://www.tiktok.com/@kamal_ag/video/7077042661613522202?is_from_webapp=1&sender_device=pc&web_id=7077401771081434626