we have a backscene, well, something to put a backscene on anyway.
"Bend me, shape me, anyway you want me"
Amazing what you can do with a heat gun and some foam board
Of course, one needs to cut a hole
It comes in 2.4 metre sheets, bugger, its an inch and a bit short.
We shall overcome thee.
A low relief warehouse and a big tall chimney perhaps!