AssimpWpfImporter does not load filepaths with arabic characters

There is no support for arabic characters.
Can you please add support to it?

where filename = 'ؤهشخ'


Thank you
Sorry, but I cannot do much to fix that because the problem is in the native assimp library that does not support other characters. This is a known issue but it seems that it is not going to be fixed soon - see:
Andrej Benedik
I would like to inform you that I have updated the AssimpNet library so that it now correctly reads the file that thave non-ascii characters in the file name. Textures with non-ascii file names are also correctly read.

You can get the updated version from:

You should get the AssimpNet.dll and Ab3d.PowerToys.Assimp.dll.
I would also recommend getting Assimp32.dll and Assimp64.dll - those are the new native assimp libraries v5.3.1 from 2023-09-25 (
Andrej Benedik

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