First print with fumed silica

Here is my first print made with fumed silica as a pre-treatment before coating platinum/palladium. I’m seeing a bit of mottling in the lower left corner which I suspect is from uneven coating. This is on Bergger COT320. 50/50 blend of platinum/palladium, 4 drops 5% Ammonium Dichromate for contrast agent.


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