If you think a 1:144 model or a 1:72 pilot is small... forget about it!
see this:
http://dsc.discovery.com/videos/is-it-possible-microscopic-sculpture.html#mkcpgn=fb11
see this:
http://dsc.discovery.com/videos/is-it-possible-microscopic-sculpture.html#mkcpgn=fb11