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"Your model was too small for any of our 3D Printers" -- any way to get more debugging inf [message #55130] Wed, 10 October 2012 12:03 UTC Go to next message
avatar dcltdw  is currently offline dcltdw
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Hello! First-time user with a probably foolish question. Smile

I created a very simple model (see attachment) that's 3" in diameter and 0.354" tall. When I upload it, I get the (emailed) error:

> Your model was too small for any of our 3D Printers.
> Our printers have a minimum bounding box size (h x w x d) of 0.25 x 0.25 x 0.25 cm / 0.098 x 0.098 x 0.098 inches.

I'm wondering what I'm doing wrong. Smile

One caveat is that I created this is Sketchup 8 and then exported it into DAE format, so I don't actually know what it looks like in a DAE viewer.

I'd be very grateful for any help. Thanks in advance!

Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55131 is a reply to message #55130 ] Wed, 10 October 2012 13:14 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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The email should also tell you the size of your upload. I'm pretty sure your problem is units. Which units did you select at upload? I'm assuming inches? Try mm.


The Mad Moder
michael@shapeways.com
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55132 is a reply to message #55131 ] Wed, 10 October 2012 13:23 UTC Go to previous messageGo to next message
avatar dcltdw  is currently offline dcltdw
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No, the email message didn't say anything about the size of the model.

Also, I don't see any option to specify units during upload. I just get what file to upload and a title. Should I be using something other than http://www.shapeways.com/upload/ to upload a file?
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55133 is a reply to message #55130 ] Wed, 10 October 2012 13:36 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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Ah ok, I'll have to suggest that the email say the scale of the uploaded model. Also DAE doesn't have a unit option, but I know I read about Sketchup scale not being what you'd expect it to be. This tutorial should be helpful for you http://www.shapeways.com/tutorials/sketchup_3d_printing_expo rt_to_stl_tutorial


The Mad Moder
michael@shapeways.com
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55134 is a reply to message #55133 ] Wed, 10 October 2012 13:48 UTC Go to previous messageGo to next message
avatar mkroeker  is currently offline mkroeker
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The header of this DAE file contains the line
<unit meter="0.02539999969303608" name="inch" />
and aunt google tells me that recent versions of sketchup
appear to default to inches, whereas it used to be possible
to choose the base unit on export.
Perhaps the import software at shapeways tries to be helpful
and applies the scaling factor from the units line in unexpected
ways ?
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55135 is a reply to message #55130 ] Wed, 10 October 2012 13:55 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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Are you sure it has thickness? I just opened in meshlab and it's just a flat surface.


The Mad Moder
michael@shapeways.com
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55137 is a reply to message #55135 ] Wed, 10 October 2012 14:22 UTC Go to previous messageGo to next message
avatar dcltdw  is currently offline dcltdw
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Yes, it has thickness of 0.354". When I open it in Meshlab, I can see that it has thickness. (I've never used Meshlab before, so I'm not sure how to measure lengths.)
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55139 is a reply to message #55130 ] Wed, 10 October 2012 14:31 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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Ah ok, What I was seeing is that your file includes the sketchup guy. I'm thinking he may be the issue.
index.php?t=getfile&id=21500&private=0

  • Attachment: file.png
    (Size: 77.02KB, Downloaded 150 time(s))


The Mad Moder
michael@shapeways.com
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55141 is a reply to message #55139 ] Wed, 10 October 2012 14:36 UTC Go to previous messageGo to next message
avatar dcltdw  is currently offline dcltdw
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Fascinating. I'll try re-uploading.

FWIW, I just tried to upload a version where everything is blown up 10x in Sketchup: so 15" radius, not 1.5" radius. That succeeded, but Shapeways is reporting the model's size at

cm: 0.3 w x 0.036 d x 0.3 h
in: 0.1 w x 0 d x 0.1 h

I switched templates in SU to be feet/inches (interior).
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55142 is a reply to message #55134 ] Wed, 10 October 2012 14:38 UTC Go to previous messageGo to next message
avatar dcltdw  is currently offline dcltdw
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Btw, I tried uploading the DAE without that line -- no dice, alas.
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55143 is a reply to message #55141 ] Wed, 10 October 2012 14:39 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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I deleted the man in Meshlab and it uploaded to your specified dimensions (showing up as 3x3x.4 inches)


The Mad Moder
michael@shapeways.com
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55144 is a reply to message #55143 ] Wed, 10 October 2012 14:41 UTC Go to previous messageGo to next message
avatar dcltdw  is currently offline dcltdw
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Likewise. If I may make a suggestion: that's something that should be noted in the pages that talk about SU. Smile

Thanks muchly for your help!
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55169 is a reply to message #55130 ] Thu, 11 October 2012 02:28 UTC Go to previous messageGo to next message
avatar Fredd  is currently offline Fredd
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I pulled the file up in blender. Each dimension in sketchups Dae according to blender was mm.354 x 3 x3. . So the DAE possibly might have scaled a Sketch up unit to a mm. I am guessing SU's basic unit of measurement might be a mm. Try it with a stl model imported to nettfab. Check the dimensions. Net fabbs dimensions usually agrees with SWs.
So if you want your basic unit in Sketchup to be regarded as an inch, when you browse your file to upload to SW, change the bottom selection to inch. It would not have mattered anyway, the model needed doubles removed, some face normals flipped, and two verts merged. Easy to fix

As for a test. create a 1 x 1 x1 cube in sketch up, export as a STL, then check dimensions in Netfabb. Or just PM me the file, lol.

[Updated on: Thu, 11 October 2012 04:39 UTC]


Have any questions regarding Blender, and need fast answers, you are always welcome at the IRC Server Freenode, channel #blender. As a bonus, several there have experience in modelling for 3D prints.

Keith
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55187 is a reply to message #55130 ] Thu, 11 October 2012 12:57 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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I'm no Blender expert, but I'm fairly sure Blender units are what ever you specify them as. See the OP checked the file, and we were able to upload successfully, we know the units are inches.
STL also doesn't specify units. So a 1x1x1 cube is exactly that. When you upload, you select the units, so the 1x1x1 cube can be mm, inches, or meters.


The Mad Moder
michael@shapeways.com
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55221 is a reply to message #55187 ] Thu, 11 October 2012 19:50 UTC Go to previous messageGo to next message
avatar Fredd  is currently offline Fredd
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Thanks for posting the DAE first. Was fun to work in that format, except for the ugly gal. And great thanks to Youknowho. I have been only exporting in STL, which setting unit measurements doesn't work. It finally sank into my thick skull when I uploaded the pendant. Setting unit measurement does effect when you upload other formats, besides STL and VMRL(??). Thanks again. I am off to kick myself in the rear several times for being stupid.
Keith


Have any questions regarding Blender, and need fast answers, you are always welcome at the IRC Server Freenode, channel #blender. As a bonus, several there have experience in modelling for 3D prints.

Keith
Re: "Your model was too small for any of our 3D Printers" -- any way to get more debugging [message #55224 is a reply to message #55130 ] Thu, 11 October 2012 19:59 UTC Go to previous message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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I believe VRML defaults to meters. I know for STL and OBJ you have to specify the intended units when uploading to Shapeways.


The Mad Moder
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