Idk if it's possible or not but u could try to insert it on Revit and export nwc.
Hi @Anonymous ,
◙You can check this :
https://forums.autodesk.com/t5/navisworks-forum/how-to-import-an-import-an-image/td-p/5482824
◙ This one too :
https://forums.autodesk.com/t5/navisworks-forum/how-to-get-a-google-image-to-navisworks-model-at-app...