These Fan Edit project threads may be of some interest / contain some useful info mate?:-
TM2YC’s The Star Wars: The Lost Workprint (Version 4 in Production) (2013 thread)
Obi Benuubi’s Star Wars: The Lost Cut Reconstruction Project (2014 thread)
darth_ender’s Star Wars: The Lost Cut (2018 thread)
RIJIR’s Virtual Lost Cut - Fan Edit (2012 thread) : Is anyone doing a “Virtual” Lost Cut? (2007 thread)
Kennerado’s The “Lost Cut” Of ANH Discussion of ‘The Lost Cut’ thread (2004 thread)
and for some further info…
Heilemann’s Star Wars Insider #41 as PDF? (2009 thread)
Ronster’s Star Wars - The Lost Cut is not exactly what you think it is… (2018 thread)