[Gmsh] Curve meshing. Please Help

[Mazanakis george]

Hello everyone.....

I want to mesh a wind blade geometry like the one I have attached ( allfuse_planeupsdownFC.stp). 

I have tried many options like: 

Mesh.ElementOrder = 2;
Mesh.SecondOrderLinear = 0;
Mesh.Algorithm=6;
Mesh.Algorithm3D=4;
Mesh.NumSubEdges = 100;
Mesh.CharacteristicLengthFromCurvature = 1;
Mesh.Optimize = 1;
Mesh.OptimizeNetgen = 1;
Mesh.RemeshParametrization = 0;

Although, what I get is a poor quality mesh. 

The most important part for my work is the mesh of the tailing and of the leading edges (I want the mesh to follow the Curvature). 

I need a 3d mesh and I prefer to use hex elements.

Please help......
.
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