Photopolymer printing March 2, 2020valgedge3498 Demonstration by Tracy Hill In the dark room Sliding the film onto the zinc plate Washing off the developing fluid You can feel the different surfaces My image has to harden for 24 hours before it can be used. It will darken. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Like Loading...