STL mistake?

STL mistake?

wm_pm
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Message 1 of 5

STL mistake?

wm_pm
Advocate
Advocate

Hello everybody,
I have some problems with an STL file


Picture 1 shows the STL as it is correct.

1.jpg

 

Picture 2 shows the condition as soon as I enter make solid

2.jpg

 

Picture 3 shows the condition enlarged by 1mm.

3.jpg

As you can see in the upper pocket something tremendously bad.
Solution?


Is there a way in Meshmixer to reconcile mistakes?

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Replies (4)
Message 2 of 5

Anonymous
Not applicable

MakeSolid can't work properly. There are flipped faces in the source mesh (indicated by pale pink stripes).  You need to flip those faces before running MakeSolid by selecting these faces and running Edit/FlipNormals.

 

You might try this:

1. Run EDIT/GenerateFaceGroups: Set Mode=NormalAngle, AngleThreshold=80 and a high SizeThreshold > Accept

2. Go to SELECT and enable the AllowBackFaces checkbox. Double click on pale pink striped regions until all of them have turned to black grey stripes (= selected backfaces). You should not see any orange (= selected frontfaces ). On this selection run Edit/FlipNormals > The mesh should be positive all over now...

Message 3 of 5

wm_pm
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Advocate
Hello everybody,
I have a problem.
I have an STL generated with PowerMill.
Now I want to accurately enlarge it by 1mm.

Picture 1 shows the original imported STL.
original.jpg
 

Picture 2 shows the STL after I have pressed on edit -> make solid and the settings as I want to enlarge the STL.
make_solid_mit_einstellungen.jpg
 

Picture 3 shows the result.
ergebnis.jpg
Does it look wrong?
These pimples, where do they come from?
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Message 4 of 5

Anonymous
Not applicable

Guess these artefacts are a result of the mesh errors of your source mesh (those red and blue lines) which get visible on a high voxel density only.

Try to fix those errors running ANALYSIS/Inspector before doing MakeSolid.

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Message 5 of 5

wm_pm
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Hello
Thanks for the help, it worked.
Unfortunately, it was then that the Meshmixer at Inspector '' autom. The contour has changed so much that it has become smaller at some places, even when accurately magnifying.
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