| Y-Up or Z-Up [message #36885] Tue, 18 October 2011 18:06 UTC |
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Does it matter? I uploaded my model and I see the sample render is sideways.
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| Re: Y-Up or Z-Up [message #36886 is a reply to message #36885 ] Tue, 18 October 2011 18:11 UTC |
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It can matter in 2 ways. Both have to do with the bounding box (the length width and height shapeways gives you for your item). WSF has a density discount so the smaller you can get your bounding box to be the cheaper your item could be (look at the WSF description for more details on the density discount). And 2 is the maximum size for materials. The software doesn't think "oh this would fit if I rotate the model 90 degrees" it says max length is x and you model is too long. So a little rotating can save you money and mean the difference between printable and not printable.
The Mad Moder
michael@shapeways.com
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| Re: Y-Up or Z-Up [message #36887 is a reply to message #36886 ] Tue, 18 October 2011 18:13 UTC |
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I don't understand. The bounding box is the same no matter what direction in faces. If it's right side up or turned on it's side the bounding box would be the same size.
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| Re: Y-Up or Z-Up [message #36889 is a reply to message #36885 ] Tue, 18 October 2011 18:21 UTC |
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The area would be the same (if you only rotate in multiples of 90 such as y up z up exc.), but for example, say your object is laying on its side giving it a width of 40cm. WSF has a max bounding box of 70x38x58 so it wouldn't be available in WSF as it exceeds the 38 for the width. But if you stand the model upright it will now have a height of 40 which is under the max height of 58. Any clearer?
The Mad Moder
michael@shapeways.com
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| Re: Y-Up or Z-Up [message #36892 is a reply to message #36889 ] Tue, 18 October 2011 18:32 UTC |
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Yeah my object is pretty small, about 3x3x1 inches 1" being the height. So All I needed to know was what I asked, if Y or Z up is required.
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| Re: Y-Up or Z-Up [message #36894 is a reply to message #36885 ] Tue, 18 October 2011 18:35 UTC |
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I haven't tested that, but if that is how it works it should really be changed. At print time, the model packing algorithm automatically rotates the model in increments of 90 degrees to find the best fit, which is why we can't define print orientation. So, testing each axis would not make sense.
Aaron - 40westdesigns.com/blog
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| Re: Y-Up or Z-Up [message #36896 is a reply to message #36894 ] Tue, 18 October 2011 18:38 UTC |
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Thank you, at least it looks like Z-up is required for the preview render so I'll have to remember to rotate all of my models before uploading them.
[Updated on: Tue, 18 October 2011 18:43 UTC]
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