| A question for expert modellers. [message #38977] Mon, 21 November 2011 17:48 UTC |
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I was warned about Poser models being virtually impossible to print but I also got advice with Meshlab and Netfabb. I created a character based on Poser Michael, I exported it as an OBJ file, I imported it in Meshlab and use filter- cleaning- remove duplicated vertex and then save it as a STL file; then I imported it into Netfabb where I healed-repair, I got a green file ( good! ) and uploaded to Shapeways that found this unfixable error. Triangles with mixed winding order found (inverted normals) "
I know they use mesh medic and a manual fix but of course with a little more complex problem they don't have the time. I tried to do something in Blender but it is very hard for a unexperience user. The model came as a spec of nothing and when I save it as a obj it did not import right into any 3d package.
Well here is the file. Any ideas?
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| Re: A question for expert modellers. [message #38982 is a reply to message #38980 ] Mon, 21 November 2011 18:35 UTC |
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Thanks, where do I find poison remeshing? Doesit kill all the features? I just downloaded Blender and it is not very intuitive, the file came as a dot and Only after rescaling and zooming I saw it, I save it as an obj in Blender bit it did not import right in Bryce.
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| Re: A question for expert modellers. [message #38983 is a reply to message #38977 ] Mon, 21 November 2011 18:36 UTC |
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If you look at the head in Netfabb you can see that the surface is very rough:
Zooming in, this is the area around the nose and an eye - there are a lot of intersecting triangles clashing with each other.
Here's the eye again.
I had a quick go at cleaning it up in Blender, but it seemed that huge areas had to be deleted to sort out the messy bits.
Sorry I can't be more helpful,
Paul
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| Re: A question for expert modellers. [message #38984 is a reply to message #38983 ] Mon, 21 November 2011 18:41 UTC |
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OMG it looks as even with lots of expertise in Blender, which I don't have, it is an impossible task?
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| Re: A question for expert modellers. [message #38985 is a reply to message #38984 ] Mon, 21 November 2011 18:46 UTC |
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I really thought this dude would make a great stailess steel antique bronze statue.
Attachment: Mulato.jpg
(Size: 268.53KB, Downloaded 58 time(s))
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| Re: A question for expert modellers. [message #38986 is a reply to message #38985 ] Mon, 21 November 2011 18:53 UTC |
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Oh! I thought it was meant to be some sort of abstract head.
It looks like you need to massively increase the resolution / number of faces. Never used Poser before though so I'm not sure how you'd go about doing that.
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| Re: A question for expert modellers. [message #38987 is a reply to message #38986 ] Mon, 21 November 2011 18:59 UTC |
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Does Meshlab or Netfabb or even Blender could do this? The increasing of the resolution?
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| Re: A question for expert modellers. [message #38988 is a reply to message #38987 ] Mon, 21 November 2011 19:04 UTC |
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It can't really be done retrospectively to the existing STL due to all the clashing faces etc. I think you need to try exporting it from Poser again - perhaps try exporting as a Collada file instead, then convert that to STL in Meshlab.
[Updated on: Mon, 21 November 2011 19:09 UTC]
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| Re: A question for expert modellers. [message #38989 is a reply to message #38988 ] Mon, 21 November 2011 19:07 UTC |
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First say what you want to achieve, a glitchy model or a smooth one and the glitchiness is not welcome.
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| Re: A question for expert modellers. [message #38990 is a reply to message #38989 ] Mon, 21 November 2011 19:09 UTC |
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I would like a smooth one , I have the original OBJ file from Poser.
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| Re: A question for expert modellers. [message #38992 is a reply to message #38990 ] Mon, 21 November 2011 19:38 UTC |
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That looks much better - it looks great in Meshlab and Blender.
The eyelashes are problematic though - still lots of clashing there. Can you get rid of them in Poser prior to export - and get rid of the eyeballs too if possible?
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| Re: A question for expert modellers. [message #38993 is a reply to message #38992 ] Mon, 21 November 2011 19:47 UTC |
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Ok, now I am confused, Don't I need a STL file for 3D printing? Was the conversion to STL what killed the file?
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| Re: A question for expert modellers. [message #38994 is a reply to message #38993 ] Mon, 21 November 2011 19:50 UTC |
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Yes, STL is one of the file formats you can use for 3D printing. I don't know what happened when you tried converting it to STL, it worked fine when I tried with Meshlab.
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| Re: A question for expert modellers. [message #38995 is a reply to message #38994 ] Mon, 21 November 2011 19:56 UTC |
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Wow!!! Does Shapeways accepts OBJ? I tried the filter remove duplicated vertex because I read it in the forums perhaps I should have left it alone.
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| Re: A question for expert modellers. [message #38996 is a reply to message #38995 ] Mon, 21 November 2011 19:57 UTC |
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Your mesh has overlapping parts so it's not printable without cleaning anyway.
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| Re: A question for expert modellers. [message #38998 is a reply to message #38997 ] Mon, 21 November 2011 20:00 UTC |
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Is the obj easier to clean than the stl?
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| Re: A question for expert modellers. [message #38999 is a reply to message #38998 ] Mon, 21 November 2011 20:02 UTC |
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I doesn't matter, unless say poser exports them differently.
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| Re: A question for expert modellers. [message #39003 is a reply to message #38999 ] Mon, 21 November 2011 20:19 UTC |
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Ok, reaching for straws here, I rexported the file, Poser would not let me delete the eyes or lashes so I did in Bryce and increase the resolution there. Probably the body is still with problems. Which program do you recommend for clean up?
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| Re: A question for expert modellers. [message #39004 is a reply to message #38999 ] Mon, 21 November 2011 20:20 UTC |
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Here you have a clean mesh.
Also the second mesh doesn't make a difference it still contains intersected geometry.
[Updated on: Mon, 21 November 2011 21:56 UTC]
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| Re: A question for expert modellers. [message #39005 is a reply to message #39004 ] Mon, 21 November 2011 20:26 UTC |
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Is the intersected geometry fixable?
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| Re: A question for expert modellers. [message #39007 is a reply to message #39006 ] Mon, 21 November 2011 20:31 UTC |
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What???? The second STL is uploadable to Shapeways?? The one you just provided?
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| Re: A question for expert modellers. [message #39008 is a reply to message #39007 ] Mon, 21 November 2011 20:33 UTC |
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It's clean just needs to be solidified.
After that it is uploadable.
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| Re: A question for expert modellers. [message #39009 is a reply to message #39008 ] Mon, 21 November 2011 20:36 UTC |
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Ok, new term for the inexperienced  Solidified and how do you do that?
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| Re: A question for expert modellers. [message #39010 is a reply to message #39009 ] Mon, 21 November 2011 20:38 UTC |
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Ok, how about you donate my paypal with a couple of bucks and tell me the scale and thickness and I give you the model?
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| Re: A question for expert modellers. [message #39011 is a reply to message #39010 ] Mon, 21 November 2011 20:41 UTC |
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Ok, I go to your store or do I do that?
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