Here's a trailer I built from styrene sheet and channel, and weathered a bit. It's on a diorama set in the 1950's, and represents a trailer someone built in maybe the 1930's for farm use. The diorama is of people moving in to the Grange Fair in my home town of Centre Hall, PA. The fair is a 141 year tradition. There are 1,000 of these 14'x14' tents on the grounds, and folks live in them for 10 days each year. It is believed to be the only remaining tent fair in the USA.