It's going to look somewhat like that:
I'll kick off with the WTC. All very simple. The structure parts were 3d printed. I'll make silicon moulds based on them and then cast PU parts. The dice system will use a peristaltic pump and an inflatable rubber tank.
This si the design::
And the first 3d parts arrived today....they are green because I ordered them on St.Patrick's day and green plastic was cheaper that day ;-)
Bajonet catch fits tight: