I have simplified my gum printing process. I am using oiled, plain paper negatives on unpreshrunk and unsized Stonehenge paper. I am printing a single layer of a Burn Umber / Ivory Black mix.
Gum Bichromate Prints
Tag: gum bichromate
Tri Colour Gum Bichromate
I have been making tri colour gum prints lately. These are from a series titled “Small Stories” and are digital pinhole photographs.
More Gum Bichromate
Continuing to print from the archives. The following are zone plate images take with a digital camera. Printed with two layers of ivory black and two layers of burnt umber. The images are perhaps a little less defined than I had intended..
Gum Bichromate
I have been printing some of the images from the “Quiet Light” series as gum bichromate prints. Printed on pre-shrunk and sized Fabriano Artistico watercolour paper using potassium dichromate as the sensitizer. I usually print a weak layer of ivory black followed by a layer of burnt umber and finished with another layer of ivory black.
Tri Colour Gum Bichromate Prints
The original colour image is separated into RGB channels and a digital negative is made of each channel.
Pre shrunk and sized watercolour paper is coated with a mixture of potassium bichromate, gum arabic and watercolor pigment.
The paper is dried ,exposed to UV light, and developed in plain water for up to an hour.
The steps are repeated for each color until the print is complete.
