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stl file can't be mesh in Netgen

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4 years 7 months ago #1833 by DU
stl file can't be mesh in Netgen was created by DU
Hello
I create a .stl file include two solid parts. I use the same nodes of interface between two solids. But Netgen can't mesh the solid. It always shows inconsistent triangles. But if I seperately mesh the two parts, it works.

So how netgen mesh the composite solid? Or what's the format of .stl file?
I can't use .geo file because I think it can't create a complex geometry which defined by an equation.
I put my .stl file in attached.
Thank you!
Attachments:
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4 years 7 months ago #1858 by christopher
Replied by christopher on topic stl file can't be mesh in Netgen
Hi,
sorry the stl mesher is only able to mesh single solids. You could use the step or igs format and our opencascade interface.
Best
Christopher
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4 years 7 months ago #1862 by DU
Replied by DU on topic stl file can't be mesh in Netgen
Thank you. But when I use FreeCAD to transfer .stl file to STEP or IGS format, Netgen only draw the surface mesh not volume. I don't know why.
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4 years 7 months ago #1863 by DU
Replied by DU on topic stl file can't be mesh in Netgen
I put one of my STEP file in attached file.
Attachments:
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