Really enjoyed those videos, thanks. It was so impressive on both the models and computer work they did back then.
Return of the Jedi - Rebel Briefing (3 minute video): https://www.youtube.com/watch?v=6TfHqrWejdo
Death Star II Under Construction Model Featurette (3 minute video): https://www.youtube.com/watch?v=4yRnfFVZSoA
I hope one day they’ll do a series, film, or even an animated episode covering the building of DSII, maybe even using those original early 80s works into it.