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WORKFLOW!! [message #39569] Wed, 30 November 2011 08:54 UTC Go to next message
avatar goido is currently offline goido
Messages: 42
Registered: February 2011
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I was wondering what is the correct way to work with your model, I know that modelers are using Netfabb, meshlab and Blender to correct and upload files for 3d printing. Is there a particular order? I had a model with lots of overlapping and intersecting geometry that was fixed rather rapidely by a modeler,is there a particular workflow?

Thanks.
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Re: WORKFLOW!! [message #39609 is a reply to message #39569 ] Wed, 30 November 2011 20:58 UTC Go to previous messageGo to next message
avatar christopher lowe is currently offline christopher lowe
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Registered: April 2011
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as in most things there is not just one way to do things. some like to work in one way some in another.

there are really 3 fast and true rules
1. minimum wall distance as per the material that you are printing in and...
2. no 2 points, polygons, or lines may occupy the same space.
- you can have overlapping "shells" or "objects"
3. all shells or objects must be watertight.

please visit my blog at...
http://chrisshopofmodels.blogspot.com
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Re: WORKFLOW!! [message #39610 is a reply to message #39609 ] Wed, 30 November 2011 21:03 UTC Go to previous messageGo to next message
avatar goido is currently offline goido
Messages: 42
Registered: February 2011
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So intersecting is similar to inverted normals?
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Re: WORKFLOW!! [message #39611 is a reply to message #39610 ] Wed, 30 November 2011 21:31 UTC Go to previous messageGo to next message
avatar christopher lowe is currently offline christopher lowe
Messages: 135
Registered: April 2011
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not really. inverted normals would indicate a non watertight shell. either way that isn't good.

what i meant by non intersecting points is... say you have 2 shells but they have 1 polygon in common... that will make the printer go -bleh!

please visit my blog at...
http://chrisshopofmodels.blogspot.com
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Re: WORKFLOW!! [message #39613 is a reply to message #39611 ] Wed, 30 November 2011 21:48 UTC Go to previous messageGo to next message
avatar goido is currently offline goido
Messages: 42
Registered: February 2011
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Thanks, I will have to Google how to fix all this in Blender, I still I am not sure what is the difference between Meshlab and Netfabb in relation to uploading models to Shapeways.
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Re: WORKFLOW!! [message #39615 is a reply to message #39613 ] Wed, 30 November 2011 22:02 UTC Go to previous messageGo to next message
avatar christopher lowe is currently offline christopher lowe
Messages: 135
Registered: April 2011
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they will fix ill developed models. there are ways to fix these things in blender without them.

please visit my blog at...
http://chrisshopofmodels.blogspot.com
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Re: WORKFLOW!! [message #39617 is a reply to message #39615 ] Wed, 30 November 2011 22:09 UTC Go to previous message
avatar goido is currently offline goido
Messages: 42
Registered: February 2011
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I got a green model in Netfabb ( fixed model) but it was bad for shapeways.
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