| How do you fix inverted normals on rhino [message #10339] Tue, 02 March 2010 04:11 GMT |
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 sn888
Messages: 1
Registered: March 2010
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Junior Member |
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Hi i would like to 3d print a model but i have recieved an email saying, (Your model has inverted normals in it) can someone please help me...
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| Re: How do you fix inverted normals on rhino [message #10342 is a reply to message #10339 ] Tue, 02 March 2010 08:18 GMT |
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Michiel Cornelissen
Messages: 100
Registered: August 2009
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Senior Member |
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Although, if your object is watertight ('closed' in rhino terms), it will always have the normals facing outward. If your stl file hasn't, it'll mean that your object wasn't closed in the rhino file (check with ShowEdges), or something somehow went wrong with the meshing part.
If it's the latter: you can do meshing directly by exporting to stl, or you can create a mesh from polysurface first ('mesh' command), and then export that mesh. In my experience, sometimes one will work where the other doesn't.
Cheers, hope that helps, Michiel
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