- cyanotype - paper negative with oil ;/)

the original here > www.flickr.com/photos/schyter/8567114488/in/set-721576326...

paper > Fabriano watercolour 320gr (25%cotton) sized with pure white vinegar (6% acidity)

sensitizer > old formula cyanotype (1+1) double coat

negative > ordinary paper (A4), printed with Hp 4100 laser-jet

polished with baby oil.

exposure > 5min about (sun)

development > water & white vinegar

 

Done