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Topic: Kato clay cracking  (Read 1117 times)
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TinfoilHalo
« on: February 27, 2014 04:02:37 PM »

I have been using premo for ages to make my stuff, and have just started trying to learn to make faces in the hopes of making humanoid art dolls.

I tried several different doll-specific brands of clay (Cernit, fimo puppen), and all of them were too soft for the way I work.  Kato clay is perfect for me.   However, the first head I completed has cracks running all through it. 

It was a small head (maybe 1 1/2 inches tall).  No clay is thicker than 1-2 centimeters and it had a foil core.  The cracks are all over the back of the head, and where I added clay on for the cheeks.

Any tips or thoughts on Kato cracking?  I think I have only had my premo crack on me 1-2 times and I have made hundreds of projects.

Thanks in advance for any input!
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« Reply #1 on: March 04, 2014 01:30:15 PM »

I'm not an expert with Kato, but it might be because the clay wasn't conditioned enough. I've worked with it a little and I'm always surprised by how much kneading and work it requires before it's ready to go and then how quickly it  gets unconditioned...like within 20 minutes in some cases. I found myself re-conditioning just to be on the safe side before I used it again after letting it rest for a little while.
Hope that helps.
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Fawa
« Reply #2 on: November 15, 2016 03:43:48 AM »

I'm worried about this in general with all clays actually, I take a long time to make something because I'm such a perfectionist (and don't have a steady hand and no energy), and the last project I did (I'm a beginner so I've only created 1 thing so far), I just prebaked it first before adding anything else, but with this new one I will probably leave it overnight and continue the next day before baking it.  So I'm worried that the clay will start to "settle" and maybe crack in the oven.
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