Printing on fabric treated with cyanotype chemicals has always fascinated me - I've dabbled in it a bit, but never really explored it more than that. With all the plant life returning, I'm getting several ideas using cyanotype printing - hopefully I'll have something to show you in a week or two! So what is it? Cyanotype is coating a surface with certain chemicals that when exposed to light make a blue-tinted photographic image. It's been around a long, long time .... British scientist Sir…