[Gmsh] 3D meshing problem

[arnon]

I am trying to 3D mesh a combination of 10 cylinders, L shape and Box (see attached.geo file) , but Gmsh crashes

1.Assertion failed! 
2. Runtime error (Ntegen algorithm)

I have also tried to make a geometry with many boxes of different size adjacent to each other  all with different materials (i.e. they must be meshed separately,and the mesh must be connected), but get similar problems with
the meshing. Have you got any tips, or maybe a good example file other than the examples/tutrials provided?

arnon
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