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Maya Help [message #57727] Fri, 30 November 2012 06:59 UTC Go to next message
avatar Raizer04  is currently offline Raizer04
Messages: 24
Registered: September 2012
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I have a number of 3d files that I am trying to print on my printer, yet the problem i am facing is the normals inverting. I've tried various software to include

MeshLab
Maya (currently toying with)
Netfabb Studio

I need all the normals facing the same way in order for it to print properly, but whenever I try to reverse the normals, the opposite side then becomes the problem. I have tried the conform feature in MAYA as well and it still wont work. Can someone please show me how to get the normals to face all the same way, without the other side of the object becoming the issue as well? here is the files I am working with.

  • Attachment: Maskfinal.obj
    (Size: 114.78KB, Downloaded 33 time(s))

Re: Maya Help [message #57728 is a reply to message #57727 ] Fri, 30 November 2012 07:22 UTC Go to previous messageGo to next message
avatar Raizer04  is currently offline Raizer04
Messages: 24
Registered: September 2012
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Here is the other files I am working with as well that is giving me problems.

  • Attachment: BackFinal.obj
    (Size: 379.16KB, Downloaded 28 time(s))

Re: Maya Help [message #57729 is a reply to message #57728 ] Fri, 30 November 2012 07:24 UTC Go to previous messageGo to next message
avatar Raizer04  is currently offline Raizer04
Messages: 24
Registered: September 2012
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Junior Member
last one

Re: Maya Help [message #57780 is a reply to message #57727 ] Fri, 30 November 2012 20:18 UTC Go to previous messageGo to next message
avatar JACANT  is currently offline JACANT
Messages: 589
Registered: July 2011
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Your models have no thickness to them. They are just skins. Open them in Blender. Add Modifier. Solidify. Add whatever wall thickness you want. In the file I did I entered 1. Export to STL. Open in Netfabb where you can check and measure.
index.php?t=getfile&id=23593&private=0

[Updated on: Fri, 30 November 2012 20:40 UTC]


jacantdesign@gmail.com
Re: Maya Help [message #57781 is a reply to message #57780 ] Fri, 30 November 2012 20:21 UTC Go to previous messageGo to next message
avatar JACANT  is currently offline JACANT
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Registered: July 2011
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Fixed file. Wall thickness 1mm.


jacantdesign@gmail.com
Re: Maya Help [message #57785 is a reply to message #57727 ] Fri, 30 November 2012 20:31 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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Registered: September 2008
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Jacant, I think you mean blender instead of Meshlab for the solidify command, those look like blender screen captures.


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
michael@shapeways.com
Re: Maya Help [message #57790 is a reply to message #57785 ] Fri, 30 November 2012 20:39 UTC Go to previous messageGo to next message
avatar JACANT  is currently offline JACANT
Messages: 589
Registered: July 2011
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Senior Member
Sorry Michael. It is Blender.
Edit done
Regards Rob

[Updated on: Fri, 30 November 2012 20:40 UTC]


jacantdesign@gmail.com
Re: Maya Help [message #57812 is a reply to message #57790 ] Sat, 01 December 2012 07:07 UTC Go to previous message
avatar Fredd  is currently offline Fredd
Messages: 350
Registered: November 2011
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Senior Member
A 2d plane has no thickness, thus no material volume. Extrude that plane, an interior volume is created.The normals oriented correctly define the volume on a manifold mesh. The term "Not watertight" fits your problem exactly. You just want the end result to be a manifold surface defining the interior volume, similar to a filled balloon. You don't want the air escaping, heh.

There are some pretty good tuts on the basics of the principles of preparing a model here for 3D printings. They are really worth reading.

Keith

[Updated on: Sat, 01 December 2012 07:17 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

 
   
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