[Gmsh] Extrude 2D surface by rotating to create mesh - Openflower crashes

[Martin, Timothy J]

Hi!

I am trying to extrude a surface by rotating it, then process the 3D
mesh in openflower. 
Extruding seems to create some errors - line 34 : Explicit region
numbers in layers are deprecated
I can then generate a 3d mesh, but there is one error - Cannot
tetrahedralize volume with quadrangles on boundary 
Openflower crashes when trying to run the .flw file. 

I have copied the following code, but don't understand where to get the
numbers from in the layers expression - Layers { 6, 54, 1 } could this
be the problem?

Extrude Surface {12, {0,0,1}, {0,0,0}, 2*Pi/3} {
  Recombine ; Layers { 6, 54, 1 } ; 
} ;

Extrude Surface {64, {0,0,1}, {0,0,0}, 2*Pi/3} {
  Recombine ; Layers { 6, 311, 1 } ; 
} ;

Extrude Surface {116, {0,0,1}, {0,0,0}, 2*Pi/3} {
  Recombine ; Layers { 6, 568, 1 } ; 
} ;


.geo .flw and GMSH error log attached.
 <<die2.flw>>  <<die2.geo>>  <<GMSH error.txt>> 
Many thanks!!

Tim Martin


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