Yixing Production Mold Slab Process

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Victoria
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Fri Nov 24, 2017 1:57 pm

Interesting to see mold slab process used with Yixing clay. Posted in Dr Lui’s Early Teapots II, he comments that early standard pots omitted steps 32-34 in joining the bottom slab of the pot, and that it is noticeable if looking for the interior line.
https://www.teartchat.com/模子壺製作全工序展示/#more-8237
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Bok
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Sun Nov 26, 2017 7:37 am

Wow, thanks for that link very informative!
Ethan Kurland
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Sun Nov 26, 2017 9:44 am

Interesting to see the work that must be done carefully and thoroughly through the steps. Its not just like pouring cake batter into a pan as some people seem to think. Thanks for post.
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debunix
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Sun Nov 26, 2017 12:01 pm

Ethan Kurland wrote:
Sun Nov 26, 2017 9:44 am
Interesting to see the work that must be done carefully and thoroughly through the steps. Its not just like pouring cake batter into a pan as some people seem to think. Thanks for post.
Exactly. It seems like the mold is really just about making the already prepared pot just a little more uniform, rather than pouring in a slurry and letting it dry. Fascinating.

Wishing I could remember now how I got to an amazing youtube video of a famous chinese potter making a slab pot....I had in mind a much cruder process and result than was actually the case in that situation as well.
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Bok
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Sun Nov 26, 2017 6:55 pm

debunix wrote:
Sun Nov 26, 2017 12:01 pm
Wishing I could remember now how I got to an amazing youtube video of a famous chinese potter making a slab pot....I had in mind a much cruder process and result than was actually the case in that situation as well.
This one? :mrgreen:

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debunix
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Sun Nov 26, 2017 8:26 pm

That was it! I'll bookmark those now.
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Victoria
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Sun Nov 26, 2017 10:39 pm

Cool to see this big artisanal pot made by hand without a mold, as compared to factory production pots. Thanks.
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Bok
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Sun Nov 26, 2017 11:26 pm

Victoria wrote:
Sun Nov 26, 2017 10:39 pm
Cool to see this big artisanal pot made by hand without a mold, as compared to factory production pots. Thanks.
Although it looks big at that time, the finished pot will be a lot smaller!
Shrinkage in normal clay is already substantial, yixing clays even more…

I can tell from my own pottery experience – I always underestimate how much it shrinks!
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Victoria
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Sun Nov 26, 2017 11:31 pm

Bok wrote:
Sun Nov 26, 2017 11:26 pm
Victoria wrote:
Sun Nov 26, 2017 10:39 pm
Cool to see this big artisanal pot made by hand without a mold, as compared to factory production pots. Thanks.
Although it looks big at that time, the finished pot will be a lot smaller!
Shrinkage in normal clay is already substantial, yixing clays even more…

I can tell from my own pottery experience – I always underestimate how much it shrinks!
Are we talking 8% or 1/8” shrinkage or more? and type of clay impacts this too so...
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Bok
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Mon Nov 27, 2017 12:26 am

Victoria wrote:
Sun Nov 26, 2017 11:31 pm
Are we talking 8% or 1/8” shrinkage or more? and type of clay impacts this too so...
True, maybe Steanze can shed some light into the minefield of Yixing clays?
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Wed Nov 29, 2017 3:04 pm

this is really nice, thanks for the link. looking at some of the posts on the same site, i've found another one detailing a fully hand-made construction:
https://www.teartchat.com/%E7%B4%AB%E7% ... #more-6996
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steanze
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Mon Feb 19, 2018 5:53 pm

Bok wrote:
Mon Nov 27, 2017 12:26 am
Victoria wrote:
Sun Nov 26, 2017 11:31 pm
Are we talking 8% or 1/8” shrinkage or more? and type of clay impacts this too so...
True, maybe Steanze can shed some light into the minefield of Yixing clays?
Sorry, I had missed this exchange. Shrinkage can be more, even 12% and up. Zhuni shrinks more than other clays.
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tealifehk
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Mon Feb 19, 2018 6:42 pm

Great post! I have a nice 500ml F1 pot that someone DROPPED before I bought it (used, and cheap) and a corner of the base broke off, but the pot is still perfectly usable. The break is now like a window and you can see how the outside body was joined to the base. I now appreciate the 'window' a lot more after seeing how everything would've been put together!
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