Definitely going to be looking into making those cornices at some point. I was able to source the same materials for the curtains a few years back for my HM themed ballroom. Working on updating our antique chandeliers in the room to flicker as well. Love your tutorialsAfter a break from making HM pieces, I'm back on it with a custom DLR Haunted Mansion window cornice replica.
A paint up and display for my blast-up ghost:
And a replica portrait gallery chandelier: