Spit And Splatter

15 Sep

mad mari 1

Carrying on with the coffee lift plate I worked on at Trefeglwys Print Studio last weekend, after washing the coffee off the plate, leaving the black B.I.G. etching ground masking most of the aluminium, I dipped it in copper sulphate solution for quite some time to etch the exposed areas really deep so they’ll give a good strong black when printed. Then when I was happy with the amount etched, the B.I.G. ground was cleaned off with non-toxic paint stripper.

 

mad mari 2

Then I started to etch the rest of the plate using a spit bite technique, brushing and splashing and splattering copper sulphate solution onto the aluminium. You have to keep rinsing the plate because the copper sulphate leaves a dark ‘rust’ on the plate as it etches and this will eventually build up and stop the etching process. You can see it above – the darker areas to the left of the Mari Lwyd’s face. After the very precise and tight process of the mezzotint plate I also did at the workshop, I wanted to be much freer and looser with this one.

Tomorrow …. finishing the spit bite etch and printing the plate …..

And here’s one of Andrew Baldwin’s videos demonstrating coffee lift and spit bite

 

2 Responses to “Spit And Splatter”

  1. Consuelo Simpson September 17, 2018 at 16:02 #

    Thank you for the link to Andrew Baldwin, excellent explanations!

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