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Material question [message #55072] Tue, 09 October 2012 07:43 UTC Go to next message
avatar Sepia100  is currently offline Sepia100
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Registered: October 2012
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Hi everyone,

Wich materials can I use to make a drinking cup from?

Waterproof and what can be the minimal wall tickness

Thank you in advance Very Happy
Re: Material question [message #55073 is a reply to message #55072 ] Tue, 09 October 2012 07:46 UTC Go to previous messageGo to next message
avatar Sepia100  is currently offline Sepia100
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Registered: October 2012
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I think i know already, It got to be ceramics

Cool
Re: Material question [message #55075 is a reply to message #55073 ] Tue, 09 October 2012 07:49 UTC Go to previous messageGo to next message
avatar virtox  is currently offline virtox
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Correct Smile

You can find all material details here:
http://www.shapeways.com/materials

Cheers,

Stijn


- Artist / Engineer / Designer / Shopowner / Volunteer / Moderator -
Re: Material question [message #55089 is a reply to message #55072 ] Tue, 09 October 2012 14:31 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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To add on to what you found and Virtox added, Ceramics is the only certified food safe material. This is because the glazing process is a certified food safe process. So if you us another material, it would be up to you to use a food safe process to make it work.


I learned a long time ago the wisest thing I can do is be on my own side, be an advocate for myself and others like me. -Maya Angelou
michael@shapeways.com Community Advocate
Re: Material question [message #55158 is a reply to message #55072 ] Wed, 10 October 2012 21:01 UTC Go to previous messageGo to next message
avatar Sepia100  is currently offline Sepia100
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Registered: October 2012
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Okay I Uploaded my model! Do you think 2,5 mm wall tickness also be strong enough?

have any experience with it?

Tnx
Re: Material question [message #55177 is a reply to message #55158 ] Thu, 11 October 2012 09:01 UTC Go to previous messageGo to next message
avatar virtox  is currently offline virtox
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The minimum wall thickness for ceramics is 3 mm or more depending on the size:
Min Wall Supported:
If bounding box x+y+z is 120-200mm: 3mm
x+y+z is 200-300mm, min wall should be 4mm
x+y+z is 300-400mm, min wall should be 6mm

And if you want a hollow cavity in a model there needs to be a hole for the "support" material to get out:
Min Escape Hole:
10-15mm diameter

You can read all the details here:
http://www.shapeways.com/materials/ceramics-design-guideline s


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Re: Material question [message #55222 is a reply to message #55177 ] Thu, 11 October 2012 19:51 UTC Go to previous messageGo to next message
avatar Sepia100  is currently offline Sepia100
Messages: 6
Registered: October 2012
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Thanks for your help didn't notice it before I moddeld a hole in it.

All of sudden it's way more expensive almost twice as much, and the hole is not showing up in all the pictures

Is this normal?
Re: Material question [message #55229 is a reply to message #55222 ] Thu, 11 October 2012 20:21 UTC Go to previous message
avatar mkroeker  is currently offline mkroeker
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Ceramics is special in that it is priced per surface area, not per volume. (Suggests that
the glazing is an order of magnitude more expensive than the clay).
So adding holes can actually make your model more expensive in ceramics.

 
   
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