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| Re: Glazed Ceramic - Wave Espresso Cup [message #29985 is a reply to message #29983 ] Thu, 30 June 2011 19:48 UTC |
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wow! i am shocked by the results. your printed cup looks nothing like the render! i am also waiting on a ceramic piece that i ordered in may. my excitement level has totally dropped after seeing these results!
sorry to see the poor quality!
thefuturefuture
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| Re: Glazed Ceramic - Wave Espresso Cup [message #29987 is a reply to message #29985 ] Thu, 30 June 2011 21:07 UTC |
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I know what you mean, this was the order I have probably been most excited about so far because it's not just decorative it should actually do something and I'd hoped to be able to use it every day.
The let down wasn't enjoyable, especially since for a while I've been writing a blog post about the Processing code that makes the model and setting up to open source the wave equation code I used for it. I'll probably still do that but this result will make it less fun...
My son likes it so it will get used for his babyccino at the weekend; we'll see how well it handles the dishwasher next.
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| Re: Glazed Ceramic - Wave Espresso Cup [message #29988 is a reply to message #29985 ] Thu, 30 June 2011 21:12 UTC |
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Oh no! That is nowhere as smooth as the test product photos implied. I can understand the rippled surface not showing because of the fine detail, but the overall finish seems very rough ... I just received an email saying my ceramic order is about to be shipped, so will be interesting to see how it looks.
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| Re: Glazed Ceramic - Wave Espresso Cup [message #29993 is a reply to message #29990 ] Thu, 30 June 2011 21:40 UTC |
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From the video they posted on the process they don't polish they just brush off loose powder...
I haven't contacted support yet although I probably will do so, mainly to find out if this is the quality they were expecting from the process.
Also: I'm not sure if the cup-a-day thing was aimed at me or not but that (while cool) wasn't anything I did - I couldn't manage one a day, this one took weeks 
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| Re: Glazed Ceramic - Wave Espresso Cup [message #30047 is a reply to message #29983 ] Fri, 01 July 2011 13:56 UTC |
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Hey there! I'm the Product Lead of Materials. The stepping you see is indeed a bit strange. As this is a new process for Shapeways (and the manufacturing industry!) we are still learning as we go, and this type of feedback is very helpful. Have you tried emailing customer service (service@shapeways.com)? They usually respond quickly and will give you good feedback, reprints etc.
Since we've printed your piece, we actually have learned and changed a few things in the printing process. First, we found a new way to clean the print heads after printing. This ensures better quality prints. The resolution here is actually the same resolution as all our other pieces, including the example pieces you saw during the introduction of ceramics. Second, we've been experimenting with printing in different directions (print orientation, ie laying the cup down flat or right side up), and we think we have a better grasp on how to achieve better prints by place it in different directions in the tray. Last, we are learning about different ways of glazing and that improves with every print.
Anyway, the point is we'd like to give your model another go. Please contact customer service (service@shapeways.com) so this issue/reprint gets tracked properly in our system, and we'll get you another model.
One thing though, the ripples in your model is a bit too detailed to be well represented in the mug. Do you think you can send another file with a bit more definition? I think that will help us better show the detail. Here is an example (Tip #4 in our design rules) that shows the detail loss in the glazing process: http://www.shapeways.com/topics/udesign/design-rules/ceramic s/fillin.jpg
Anyway, please contact Customer Service and let them know whether you'd like a free reprint of this model, or a voucher to print a revised model with more details?
Thanks for helping us improve our process!
Best,
Nancy
Product Manager
Twitter: @nliang
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| Re: Glazed Ceramic - Wave Espresso Cup [message #30051 is a reply to message #30047 ] Fri, 01 July 2011 15:26 UTC |
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Nancy, thanks for the reply; I haven't mailed service yet but I will do so soon.
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| Re: Glazed Ceramic - Wave Espresso Cup [message #30211 is a reply to message #29983 ] Tue, 05 July 2011 10:07 UTC |
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Chris and I have contact now 
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| Re: Glazed Ceramic - Wave Espresso Cup [message #31597 is a reply to message #30211 ] Tue, 26 July 2011 20:35 UTC |
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I've just taken delivery of the re-printed version of my espresso cup and I'm very pleased to say that it's excellent!
The smoothness and definition of the shapes are much better than the first one and the glazing is uniform - I'm very happy with it.
I've now got some valuable information on what waviness can come out on cups like this - in fact all but the very smallest are visible which is better than I'd expected. I'll use this to tune the amplitude & frequency of the waves I put in.
As always thanks to all at Shapeways for this happy result; this is what I'd hoped for from this process and I'd be happy to order more...
I think I need to improve my cardboard and tracing paper lightbox a bit though...
Chris
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