The card I made for my Papercraft Inspirations column this month involves bits of old neck-ties. If you're thinking it looks like I wander round the house picking out supplies at random for these things . . . well, yeah. Busted.
It really is the best kind of challenge, though. You should try it.
Find out what else is in the issue over at the Papercraft website, or pick up a copy just about anywhere they sell magazines.