When I started this project, I wanted to make sure I was able to keep track of all the pattern pieces that I would be making. I labeled a gallon ziploc bag and put each piece in it as I finished with it. Sometimes I had to get the pieces out and put them back in several times, but I made sure they always went back in. At one point I wanted to go back and copy the codpiece pattern I used for the Bronzino doublet. Rather then dig through the overflowing pattern drawer (where everything was shoved willy-nilly), I took the drawer out, purged all the old patterns, and bagged up everything that I wanted to keep. The result is a much neater and more useful system:
