Depossosable dinner plates used for BBQs and picnics , are cheap and a great saws for plastic sheet. Just cut the flat middle section out. The bottoms of plastic wine glasses are a cheap way to display your Bandai or flying mechs for Warhammer.
Great to see you picking the spitfire up again . err... just one thing though , I was looking at your build then jump onto google images . Do you think that there would be any landing gear left after a ditch like that?