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Clean Sgraffito Edge


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#1 dooarts

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Posted 05 March 2014 - 02:36 PM

does anyone have a tip for getting a clean edge when doing sgraffito? i've used every tool in the book, but am still getting a ragged edge. i need to work on bone dry clay (because the piece is large). i'm cutting thru 3 coats of terra sig. thanks for any suggestions.



#2 neilestrick

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Posted 05 March 2014 - 03:03 PM

You're not going to get a clean edge working bone dry. Why can't you work leather hard, or firm leather hard?


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#3 Tyler Miller

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Posted 05 March 2014 - 03:15 PM

I have to agree with Neil, but you might have a chance if your tools are literally razor sharp and you touch them up every few cuts.  



#4 Chris Campbell

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Posted 05 March 2014 - 08:25 PM

Bison tools ... Expensive, fragile tungsten carbide ... but oh so wonderful!

http://bisonstudios.com

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#5 Colby Charpentier

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Posted 05 March 2014 - 10:12 PM

Bison tools are great, gotta be careful around groggy clays or anything that'll knick or shatter 'em....

#6 Diane Puckett

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Posted 06 March 2014 - 08:26 AM

Dremel?
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#7 neilestrick

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Posted 06 March 2014 - 10:14 AM

You're also creating a lot of dust when working bone dry, which is hazardous to your health. You should be wearing a mask in a well ventilated area.


Neil Estrick
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#8 Chantay

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Posted 06 March 2014 - 10:23 AM

If you are working on a large piece you just need more plastic to cover it.  At the door of my local large home improvement store is a stand of giant plastic bags that are used to  bag Christmas trees.  Every time I pass by I pick one up.  They are a little thicker than dry cleaner bags.  Stuff wrapped up in them stay moist a long time.  Another trick someone showed me was to double layer the plastic with a misting of water between.  The sgraffito is a breeze on leather hard clay.  I have worked on a piece on and off for months.


- chantay




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