There was a thread here on the old forum that might interest you. Part way down there was a discussion about boxcar doors. I don’t know how much longer the old forum may be available.
(edit): The thread is now in the new forum.
There was a thread here on the old forum that might interest you. Part way down there was a discussion about boxcar doors. I don’t know how much longer the old forum may be available.
(edit): The thread is now in the new forum.