QuakeCon is over. By now, you’ve probably perused several hundred thousand BYOC (Bring Your Own Computer; basically a gigantic, nonstop four-day LAN party) case mod galleries. You’ve seen the competition winners from every conceivable angle. You’ve ogled the Star Wars action figures, giant NES controllers, weathered Fallout terminals, and very uncomfortable fish alike. But come on: that’s standard flashy case mod fare. This one, however, was created on the fly, during the show, by hundreds of attendees. Its core component? Post-It Notes.