I am trying to make a relatively simple 3D-model. resulted quad mesh is very good (fig). however, when I convert the quads to tris I would get this very narrow triangles which I do not want. the only reason that I change the quads to tris is that I need to export the .Stl file, and apparently .stl automatically change the mesh to triangles.
is there any way to avoid this narrow bad quality triangles?
I've tried to merge them with the adjacent faces, but then they are not triangles anymore, and when I import it as stl file the same narrow triform.