Unfortunately this script doesn't include Specular and Displacement channels conversion.

Thank you very much for depth explanation. I didn't know that "polygons have changed" means that they need to be deleted. I thought that it will works with polygons modification too.

But using one of the code I have this error :

Regards,
Sebastian

Hi,

def message (id,data) in Interaction Tag ( scripting tab ) seems to not work :

None of the message id's from here doesn't work : https://developers.maxon.net/docs/py/2023_2/manuals/application_development/manual_message_system.html like c4d.MSG_POLYGONS_CHANGED ( id 2 )