Problem with writing data into stl

Dear Team,

I am trying to write a stl file with the Wall shear stress. I read that it is possible with paraview. First it is necessary to extract the surface and then triangulate it. I have done both steps and in the data of both I can see the Wall Shear stress and other variables. However, once I save the data as stl I can only see the geometry and the cellNormals, but the Wall shear stress and other variables are gone. Could you guys provide me with some information?

Can you provide an example dataset ?

As far as I know, the STL format does not support point data or cell data (other than normals).

Dear Michael,

I also realized of my mistake, I created vtp files which contain the information of the surface!

Best Regards,