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Pushing the Limits of the 3D Printer: Phamora Ceramics by Virtox


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Beautiful model indeed.
I am not sure, but I think my hourglass has the same topology (even if less elegant ;-)).
http://www.shapeways.com/model/578905/
But I don't know how to manage the part that will be unglazed.
Currently, I made some pegs at the bottom and at the top but I am not satisfied with the result....
Virtox, how did you managed that? is there something special at the bottom of your model that is ment to be unglazed?
#1 Magic (Homepage) on 2012-06-25 15:32 (Reply)
Hi magic,

Looks like the same topology yes :-)

After trying the much thinner polished WSF version
http://www.shapeways.com/model/336549/phamora.html
I was very pleased with the round continuous form.

And for ceramics I initially tried a rim and then pegs, but thought they really ruined the esthetics.

After seeing Quintal Candle in ceramics, I was not really bothered by the unglazed bottom.
So I just decided to go for it and luckily production chose the right side as bottom :-P
#2 virtox (Homepage) on 2012-06-25 17:12 (Reply)
Wow this is awesome. I have a model I really wanted to print in ceramic but after reading the design rules that say it should be able to be made out of wet sand, I thought ceramic printing it would not be possible. This print gives me hope it is possible. Could you please tell me what the thickness or diameter of the skinny arms is?
And congratulations on a beautiful design.
#3 maxem on 2012-06-26 04:40 (Reply)
Hi and thank you!
To answer you question, the thickness of the arms in the model is varies from about 4 to 6mm.
But the most important thing about them is they provide no structural support. The body of the vase varies from about 5 to 7 mm and THIS is what keeps it all together.
And I have yet to properly determine this, but it seems the first stage of the print produces slightly thinner parts (i.e. it looks like the material shrinks slightly after printing)
So parts like the arms, after the added layer of glazing are only slightly thicker than the original 3d model.
Regarding, the wet sand rule, I figured they meant "sand" as built by professionals. Ever see those amazing sand sculptures on the beach? If done properly, sand can do things beyond normal imagination :-)
I only decided to try this after extensive testing and for this to work the model should be an organic form that can stand , but sag as a whole without stressing any parts in particular.
If you have more question feel free to send me a PM!
#3.1 Virtox (Homepage) on 2012-06-27 10:14 (Reply)
It really is a beautiful vase! But it also highlights the thought and planning you have to put into 3D printing, one can't just print objects off willy nilly. You have to think of support, structure etc.
#4 Cartridge James (Homepage) on 2012-07-03 10:48 (Reply)

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