To get this effect, you need to buy the cyanotype paper. All you do is set objects on the paper, leave it out in the sun for 10-15 minutes and then rinse it in water. Experimenting with it is good fun! Thanks Keith!
nishichauhan, simonh82, asteriscosss, yuenyi, warning, stouf, troch, superloqy, neja, susielomovitz, nicolas_noir, isabel_mebarak, clickiemcpete, dabai, soleado, minty_ & kuryzu.