<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div>Hello!<br><br>I have generated a 3D mesh with Gmsh. If I check the saved 'test.msh' file, I find these element types:<br><dl compact="compact"><dt><code>1 (</code>2-node line)
</dt><dt><code>2 (</code>3-node triangle)
</dt><dt><code>4 (</code>4-node tetrahedron)</dt></dl>Next I saved the mesh (File->Save As) in STL format. In the 'test.stl' file I only find several blocks like<br><br>facet normal 0 -0.780942 -0.624604<br> outer loop<br> vertex -4.06184 1.96854 12.1372<br> vertex -4.43697 2.07828 12<br> vertex -4.07973 2.07828 12<br> endloop<br>endfacet<br><br>There are no other elements except for facets. Why don't I find any tets in the stl file?<br><br>In the Mesh module of Gmsh I have chosen '3D' to generate the mesh. I have also tried 'STL' with no better success. What is the difference?<br><br>If I cannot save the tetrahedral elements in the STL format, is there another format that I can select, which<br>1) saves the complete 3D mesh and which<br>2) can be opened in paraview or converted into the '*.vtk' format?<br><br>Thank you<br>Ernest J.<br><br></div></div><br>
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