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how to modify STL file in catia?

kundil

Newbie
Hi...everybody..

I have a task from my lecturer that is make face profile from target object.
I was performed scanning 3D and than save it in STL file and must modify the object to make it smoother and editing some point like ear, eye, nose in catia.
I'm confuse how to make it be,...I don't know where should to begin.
Anyone,...please help me the way...

God Bless You...

Thanks
 

nachi

Newbie
Import it in CATIA modify it usung Digitized Shape editor/Shape Sculptor and Export

Digitized Shape Editor -> Import the stl. Create a CATIA mesh from it if reqd.
Modify it (smoothing/decimation etc.)
Export it back to stl.

Hope that helps..
lemme know in case u still have difficulties..
 

jugnoo

New member
.stl file editing in CATIA

Digitized Shape Editor -> Import the stl. Create a CATIA mesh from it if reqd.
Modify it (smoothing/decimation etc.)
Export it back to stl.

Hope that helps..
lemme know in case u still have difficulties..

I imported .stl file using the same way but if I want to make a geometry or sketch from the edges/surfaces in the imported .stl file how can I do it?
 

MrCATIA

Super Moderator
I haven't used the Digitized Shape Editor much, but the Symmetry command can be used to mirror the imported STL data.

There are no Boolean commands in the Digitized Shape Editor workbench. Boolean commands are only used with solids in the Part Design workbench.
 
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Zahraa

New member
Ok, thank you..
What about converting stl file to surfacae I try to convert it but when I try to save the model it is take along time and not work.. Is there any way to do this??
 

MrCATIA

Super Moderator
The Digitized Shape Editor has tools to work with STL files including fitting a surface through the points.

Not being able to save the file could be a CATIA problem, but more likely to be problem with your system. Is there any kind of error message? Can you save other CATIA files?
 

Zahraa

New member
I mean when I try to convert stl to surface through digital mockup>DMU optimizer>offest>save the object as model when I try to save it just load for long time and the software crash.. I dont understand what is the problem!
Is there other way to do this??
 

MrCATIA

Super Moderator
Zahraa,

CATIA has three workbenches that are used for reverse engineering: Digitized Shape Editor, Quick Surface Reconstruction and STL Rapid Prototyping. I'm really not that familiar with any of these workbenches - sorry. The DMU workbenches typically work with CGR data, so I'm confused why you would use that to convert an STL file.

Have you searched YouTube for any videos on How to Convert STL to CATIA Surface? There might be something there that will help you.
 

Zahraa

New member
Ok thanks...
So, When I try to reverse engineering the object through Quick surface Reconstruction>Automatic surface appear that selected mesh contains non mainfold vertices.. What is that mean? And how I can solve this problem?
 

MrCATIA

Super Moderator
Maybe there are more than two curves that share a common vertex, making it impossible to define the profile of the mesh? Hard to say without seeing a picture of what's happening.
 

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