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Homemade pots

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mikacarrick
Hombre
onezzzart
Kev Bailey
littleart-fx
Joao Santos
peter krebs
AlainK
irene_b
bumblebee
TreeKiller64
Carolee
Mario Stefano
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Post  Joao Santos Sun Feb 07, 2010 10:58 pm

Mario Stefano wrote:Hi Joao This mold is of the same material as the pot. Inside is coated paint for concrete. This business is a very thorough preparation. No good results quickly.

I know Mario, and I will keep trying Laughing
I see you used one pot to make the mold and that's what I will do too.
Next I will try too diferent mixes: one with a little bit less paper and more ciment and I was thinking in a mixture of ciment and plaster.

Have you already try this last? Do you know if does it work? beacause plaster solidifies very quicly

Regards
Joao
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Post  Mario Stefano Sun Feb 07, 2010 11:32 pm

Joao Santos wrote:
Mario Stefano wrote:Hi Joao This mold is of the same material as the pot. Inside is coated paint for concrete. This business is a very thorough preparation. No good results quickly.

I know Mario, and I will keep trying Laughing
I see you used one pot to make the mold and that's what I will do too.
Next I will try too diferent mixes: one with a little bit less paper and more ciment and I was thinking in a mixture of ciment and plaster.

Have you already try this last? Do you know if does it work? beacause plaster solidifies very quicly

Regards
Joao

Do not plaster. It is not good for the pot. Leave a 50:50% cement:paper. Change mold, try the plastic container!
Mario Stefano
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Post  Joao Santos Sun Feb 07, 2010 11:49 pm

I will. Then I'l show the resault.

Thanks Mario
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Post  Kev Bailey Mon Feb 08, 2010 9:29 am

Just a thought, Joao you wrote Ciment, that is the word usually used (here at least) for high alumina cement. This requires mixing with portland cement to set. I mix 4 of ordinary Portland Cement with 1 of high Alumina Ciment to get a very rapid set - about 15 minutes.
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Post  Joao Santos Mon Feb 08, 2010 10:09 pm

hi Kev

When I mencioned "ciment" I ment basicly "concrete" (without stones and sand, of course).

And because of the rapid set you refer, that's why I've thought of plaster but Mario says no and absolutely he's much more experient than me and I'm taking his advise.

Next time I'l use another brand of ciment and see the results.

Regards
João Santos
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Post  Mario Stefano Tue Feb 09, 2010 7:18 am

Hi Kev & Joao,

First of all, forgive me because I understand English very difficult. Googletranslator can not translate some of yours words and I do not understand, so I do not understand fully what you write. I think that writing about the „plaster, gypsum, alabaster“?!?!.

It is not good, because it becomes rigid after 15 minutes, and it is not enough time to fill the mold.

I have tried many methods, and only the right combination: the cement of the first or second class, the news paper and plain water. We can add 'Sika' preparation for the impermeability of concrete, and polyester fibers used for glazes floors in the house, as reinforcement.

Mold do not absorb water. If the plaster mold, we need to soak it well with water to keep humidity. Wood must be impregnated, and PVC and styrofoam mold should be oiled. Papirconcrete the mold must be coated paint for concrete with the inner side. Therefore, gypsum is good for the mold, not the pot!

Regards
Mario

PS
If you look at my posts on IBC-in, see that they are very short and poor text, it is very difficult to write in English, and I want to hang out with yours.
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Post  Mario Stefano Tue Feb 09, 2010 7:28 am

Appendix:
Surely you know that cement lowlle water. It is not name drying, although we use the term. Cement is crystallized and can even when submerged in water. Enemy of the cement that crystallizes the dry air and sun. They make it weaker. If the Joao pot is not crystallized (hardened), the error in the cement. Should look for another.

regards
Mario
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Post  Joao Santos Tue Feb 09, 2010 11:42 am

Thanks for your explanations Mario,

I ment plaster as that material used to make forms for ceramics and yes it becomes rigid in a few minutes.

I think the problem was in that ciment I used because it was a bag that I have a long time and possibly not in the best conditions.

Next time I'l buy another new for the experience.


Thanks again
João
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Post  Mario Stefano Wed Feb 10, 2010 2:03 pm

My good friend Luka, I wanted to learn technique, paper cement pot. He was an excellent student, and unlike me, using the English language.
See more details!

http://www.bonsai4me.com/AdvTech/ATPaperBonsaiPots.html

Thanks
Mario Stefano
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Post  Joao Santos Wed Feb 10, 2010 10:13 pm

Very nice Mario, I will use this as a guide next time for sure (just need to find the polyester fibers)

In my case I need some a bit larger (something like 30x24x8cm)
just one question: what's the thickness you use for your pots?

Thanks again
Joao
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Post  Mario Stefano Wed Feb 10, 2010 10:28 pm

Joao
I worked pot 80x60x23 cm. http://marioyamadori.blogspot.com/2008/12/posuda-pod-imenom-bigy.html Thickness is 2 cm.
All thinner than 1 cm is not good. 1.5 cm is excellent for normal dimensions.
My recommendation is to work up to 50x40 cm pot. Any higher is a complicated production.

Regards
Mario
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Post  Joao Santos Wed Feb 10, 2010 10:37 pm

I wont go so long Very Happy

When I have some done, you'l be the one to know! Smile
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Post  Joao Santos Mon Feb 22, 2010 10:10 pm

Hi Mario

Just an update: for the first pots I've shown, 2 broke down and one smaller make it.
Today I've glased it and this is the result, what do you think?

Homemade pots - Page 2 Imagem093i

Regards
Joao Santos
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Post  Mario Stefano Tue Feb 23, 2010 4:35 am

Hi Joao
pot shape looks good. Feel free to make a thinner wall, now look thick. Color are often spoiled child, and now operates a plastic pot. My pot before I paint, immerse in water, so get the nuances and lose gloss. But, it's this way, makes much pot and Combine different colors, let the imagination prevails.

Regards
Mario

PS
Google Translator difficult to translate what I wanted words.
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Post  Joao Santos Tue Feb 23, 2010 6:00 pm

Hi Mario

I understood what you ment. As I said, this is just the first experience, I have much in mind. Today I've made some molds and next saturday I will try something new.

Regards
Joao Santos

PS This pot looks much better live than in picture
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Post  onezzzart Wed Feb 24, 2010 5:50 pm

hye Mario, cheers
I use mould ice-cream to test my mixture is right and result is just gorgeous and strong pot. cheers ..i will uploads later..
Merci Mario... thumbs up

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Post  onezzzart Wed Feb 24, 2010 6:20 pm

This is my first home made Papercrete Bonsai Pots that i have made yesterday..still wet but already strong...need more advice from Mario..
Smile

Homemade pots - Page 2 Dsc6774

Homemade pots - Page 2 Dsc6777

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Post  Mario Stefano Wed Feb 24, 2010 6:26 pm

Excellent, just continue on? After 100 pot, you will be a master. Wink
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Post  onezzzart Wed Feb 24, 2010 6:38 pm

Mario Stefano wrote:Excellent, just continue on? After 100 pot, you will be a master. Wink

really!! lol..you are a an honest guy and I even hope with your work..good luck
Merci Mario Smile

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Post  Joao Santos Thu Mar 04, 2010 10:00 pm

Unfortunatly it seems I'm not so lucky... Crying or Very sad

Last saturday I've made 3 atempts. One broke down removing from the mould. The other two remains in the mold - Let's wait a bit more pale

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Post  littleart-fx Thu Mar 04, 2010 11:00 pm

Hello Mr. Santos!

Have patience, if i am correct paper cement will shrink when it's dried out.
Not much but it does, then it would be easier to un-mould.
Applying oil on the mould also helps!

Keep up the efford, done a great job for now.

Does anybody apply collor into the mixture, 8% is allowed in normal cement mixtures i know.

grtzz m
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Post  Joao Santos Thu Mar 04, 2010 11:24 pm

I am pacient and try once more, only practice leads to perfection Smile Now I had made great moulds...


Homemade pots - Page 2 Imagem095v


Homemade pots - Page 2 Imagem096x



It's right about shrinking, I've saw that.
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Post  Joao Santos Sun Mar 14, 2010 10:53 am

Finaly a successful handmade pappercrete pot and I'm very happy with the result Laughing


Homemade pots - Page 2 Imagem097

Homemade pots - Page 2 Imagem098

And after polish and glaze...

Homemade pots - Page 2 Imagem099y

Homemade pots - Page 2 Imagem100

What do you think?

João Santos
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Post  Mario Stefano Sun Mar 14, 2010 1:32 pm

Excellent! Resistance produces results.
Wink
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Post  littleart-fx Sun Mar 14, 2010 2:58 pm

I can only say " congratulations" cheers

Grtz. Machiel!
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