Cyanotype is a photographic process that preceeds modern photography. In my MA thesis show, I treated cotton panels with cyanotype chemicals, placed organic forms (plants, seeds, etc.) over the treated fabric, and exposed each piece to sunlight to activate the photographic process.
Meditations on Growth, (front three panels). 13' x 14'.
Meditations on Growth, (seven panels). 13' x 13' x 14'.