A relatively clean STEP file was imported with the STEPPer.
There is a cylinder, after looking on which from every perspective I knew, I still can’t fix the shading. Normals recalculated, set from faces, autosmooth didn’t work. Any clues?
The blender File is attached.
Thank you so much for the support.
On my side, the problem disappears if I disconnect the normal map in the material. The texture is blank in the file, is it also blank on your side? Trying to use a normal map will mess up the shading if the texture is missing.