I was experimenting with it last night. I am working with Luke building his lightsaber in a deleted scene of ROTJ, and Rey lifting the lightsaber in the hut from the end of The Last Jedi BTS reel from D23 2017, to create a scene of Rey constructing her lightsaber.
Oh I’m excited to see this! When you say it’s Rey constructing her lightsaber do you mean the Legacy saber or the one from the final scene? I think it would’ve been great if they had actually explained in the movie that Rey learnt to heal by using the force to reforge the blue kyber crystal.