[Gmsh] Export .geo as .step - "No OpenCASCADE model found"

[Christophe Geuzaine]

> On 19 Jun 2018, at 11:47, Zenker, Dr. Matthias <Matthias.Zenker at erbe-med.com> wrote:
> 
> Hi,
>  
> I have a geometry built as .geo quite some time ago (with gmsh 2.x). Now I want to export it as .step for a colleague to view it in his CAD software. But gmsh complains “No OpenCASCADE model found” and refuses to write the step file. What can I do to fix that?
>  

Gmsh never translates between CAD kernels: so if you build your model with the built-in kernel, you won't be able to "export" it as as an OpenCASCADE model.

What you could do is to add "SetFactory("OpenCASCADE")" at the beginning of your old script, and see if your geometry can get generated directly as an OpenCASCADE model. (You might have to change a few things.) Then you could export as .brep or .step.


> Thanks,
>  
> Matthias
>  
>  
> 
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Prof. Christophe Geuzaine
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