"Shrinky-Dinks" [0] and PDMS cast on home-etched copper PCBs are approaches which might be a little more "micro" and a lot more reproducible [0] http://shrink.

"Shrinky-Dinks" [0] and PDMS cast on home-etched copper PCBs are approaches which might be a little more "micro" and a lot more reproducible [0] http://shrink.eng.uci.edu/papers/2008_Grimes.pdf http://shrink.eng.uci.edu/papers/2008_Grimes.pdf