[Gmsh] Help_2D-Structured Mesh from Step-file

[Gilles Kalegam]

Hello,

I am a new gmsh-user (windows version) and I would like to create a 2D- 
structured mesh from a wing structure and extrude the faces 
accroding to their respective thickness. I upload the step-file in gmsh 
and made a unstructured mesh of it . 
I found out on youtube that it is possible to transform an unstructured 
mesh to a structured  mesh using the commands 
Transfinite and recombine in the so called geo-file. But in the video, the 
CAD-File was not provided.
So my question is , it is possible to create a 2D-Structured mesh from a 
given Step-file?
If yes , how do I go about doing that?  Thx.

I upload a copy of the structure


Many Greetings

Gilles 




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