Dang seeing this makes me want to give it a try, would certainly take months to acquire all the parts though! Might try Ines' box first if the one linked above ever goes back in stock.
I already have the left side ammeters, vintage German ones from the 1950's. I also have the Samsonite case. I would love to collaborate on a Machine run with anyone else who is passionate and wants to collaborate on getting one made. Seems like Martha's machine could be a much easier project for some of the talented modellers/printers here at the RPF, though.