How to trim the non-manifold triangle off the stl file?

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Daniel Chou
Daniel Chou on 23 Apr 2021
Answered: Bruno Luong on 23 Apr 2021
Hi everyone
I have a question about the 3D stl file processing.
Suppose that I have the 3D geometry (stl file).
I use stlread and trimesh command to plot it, then I found that some of elements are non-manifold.
I try to directly remove these two triangule faces for about entire afternoon, but I haven't done it succefully yet.
Could any one give me some suggestions?
Attached is the stl file, to view the stl file, with the codes as below:
fv=stlread('test.stl')
figure();
trimesh(fv);
axis equal

Answers (1)

Bruno Luong
Bruno Luong on 23 Apr 2021
There is SW that can detect topology issue and attempt to correct it, such as

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