We've reached the stage where inches, and fractions of inches, start to matter. It's a strange experience to be able to, and need to, think about very fine ergonomics; how long is your longest coat, how far do your elbows stick out when you wash your hair, how wide are you when you're sitting down...
The paper we've used for this design was made on the graph paper making software at http://www.blackcatsystems.com/software/graph_paper_maker.html. It's been really handy to make paper with squares divided into 12 for design in feet and inches.