You're probably using version 4.0 or 4.1 which default to meters. Verson
4.2 uses millimeters by default but you can set it to meters using

Geometry.OCCTargetUnit



On Mon, Apr 22, 2019 at 3:21 PM Aquaman <[email protected]> wrote:

> Dear Gmsh Users,
>
> I would like to ask, how can I set the  export units scale in Gmsh,
>
> the step file size (import) 4mm X 2 mm
>
> but export msh file is  0.004mm X 0.002 mm
>
> Attached you will find the example file.
>
> How can I fix this error in GUI Gmsh?
>
> Many thanks in advance!
>
> Kind regards
> Yaakov
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