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# ceramic pricing question

ceramic pricing question [message #40015] Fri, 09 December 2011 16:12 UTC
Hi,

I see that ceramic objects are priced by surface area rather than volume. Does that include the bottom? For example, if you were to print a flattened cube, would the surface area be the total area of all 6 faces, or just the top and sides?

e.g. Rectangular prism, 10cm x 10cm x 1cm
Total surface area = 100 (top) + 100 (bottom) + 4x10(sides) = 240 cm2 = \$43.20?
Re: ceramic pricing question [message #40016 is a reply to message #40015 ] Fri, 09 December 2011 16:24 UTC
I would have to say yes, as the software isn't capable of determining which face would be the unglazed face.

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
Re: ceramic pricing question [message #40229 is a reply to message #40015 ] Wed, 14 December 2011 15:13 UTC
Its included in the price yes, although the bottom probably wont be glazed.

"For some designs with clear bottoms, the bottom side may remain unglazed. This is because we need to stand up the designs when putting the glazed piece in the oven."

http://www.shapeways.com/materials/ceramics

This is what I do understand, but can someone explain me why the price is in cm2 instead of cm3 for this material only?

I did a test with a 10X10X10cm cube and a 10x30X0.5cm

10X10X10cm = 600cm2 and a1000cm3! = â‚¬80.05 = â‚¬95.26
10x30X0.5cm = 640cm2 and a 150cm3 = â‚¬84.31= â‚¬100.33

So it cant be the material. Much labor costs? Expensive Glazing?

Ces't ne pas possible!

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