I once got a tour of ILM through a coworker -- this is a very real concern even with blowing up miniatures. So you always make three: the one you plan to blow

I once got a tour of ILM through a coworker -- this is a very real concern even with blowing up miniatures. So you always make three: the one you plan to blow up, the backup, and the one you hope will go into the archives to show people later.