Now there's a challenging medium - especially banknote origami:-
http://www.noupe.com/inspiration/beautiful-origami-art-made-of-dollars-by-won-park.html
So far only one tank shown, and a contemporary main battle tank at that, but I'm sure if someone showed Mr. (Ssineun?) Won Park a Mk IV he would have a go at it.
Continually amazed at the creativity and precision of people in their various media ...