soldifiy and faces index example ?

any example on how to add a solidiy modifier and get the new faces index created then apply
and add new mat to the newly created faces?

thanks

Couldn’t you just fetch the mesh datablock before you apply the modifier. Then add the modifier and fetch the datablock again using the to_mesh method with RENDER=True. This would give you the mesh with the modifier applied. The difference in faces between the original mesh block and the new mesh block would be the new faces added.

that might be one solution!

but is not there any vert group for the newly created faces with solidify?

any example may be for this using bmesh or not!

thanks