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Charles

Temporary soft marks on clay?

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I want to lay a pattern out on a soft slab - preferably using some sort of soft marker that will not withstand firing.

It's actually some points that are boundaries and I had been pressing lightly with a rounded tool, but I'm finding it's an effort to cover the impressions.

I have no idea if the ink in a "permanent" marker is permanent at 2345 F.

thanks

 

 

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I've read that black Sharpie will burn off but white and silver don't. I've used pink and yellow highlighter felts on glaze to mark layouts with and they burned off. What is easier for me is to use liquid food colouring and a fine paintbrush. It does blur a bit but it totally burns off.

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I can vouch that black Sharpie totally burns off.  Ask my students, that forget to sign their projects before the bisque, and then try to sign in Sharpie for the glaze firing...

It was unsigned before it went in the bisque, and remains unsigned, when it comes out of the glaze...

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