
Cyanotype vs. blue gum
Many gum printers use cyanotype as their blue layer. I printed a side-by-side comparison to show why I prefer cyanotype.


Many gum printers use cyanotype as their blue layer. I printed a side-by-side comparison to show why I prefer cyanotype.
Exploring the pH involved in printing or bleaching cyanotypes.
Toning cyanotypes step-by-step.