Recent content by Jon O'Ricky

A lot of pitfalls there then. I did a test with the GA/CMC mix and never again.

Have you seen Habib Saidane's Gum arabic/CMC video? I don't know how good it is but I had a brief try with it and while it did work, it's tricky getting the CMC properly broken up. I also wonder why the CMC is needed as gum alone works well with dichromate.

Thank you greatly for all the links, it can be hard to track down good information on the process. I haven't investigated all the options in Photoshop but I'm sure there are plenty and I haven't used Gimp in forever :smile: Thank you greatly for the references and recommendation on Calvin...

To pick up on part of an old thread... I was reading this as I prepare for a similar process using beef gelatine and was just reading the late Katherine Thayer's fascinating notes on gum dichromate printing. I live in the UK where environmental toxins are becoming sensibly shunned and harder to...